Side by side

Legacy PCIe auxiliary power versus 12VHPWR

Is this the older 2x3/2x4 family or the separate 12+4-contact 12VHPWR form?

Computer-generated illustration, not a photograph. — P191 · ConnectorPCIe 6-pin auxiliary power connector

How they differ

PCIe 6-pin auxiliary power connector Match the PSU cable label and graphics-card manual; do not repin, force or adapt based only on shell size.
PCIe 8-pin auxiliary power connector Use the PSU cable label and add-in-card documentation; compare keying and intended connector family rather than pin count alone.
12VHPWR 16-contact auxiliary power connector Use the exact PSU, cable and graphics-card instructions. This page does not approve adapters, bend radius, insertion quality or load.

At a glance

Source-scoped form facts; counts, variants and unknowns are distinct
Field	PCIe 6-pin auxiliary power connector	PCIe 8-pin auxiliary power connector	12VHPWR 16-contact auxiliary power connector
Type	Connector	Connector	Connector
Family	PC power	PC power	PC power
Shape	dual row	dual row	dual row
Nominal contacts	6S199Documented position count only; no V36 electrical pin map.	8S199Documented position count only; no V36 electrical pin map.	16S199Source-backed total of twelve larger plus four smaller contacts; not a pin assignment.
Positions / cavity span	6 (PCIe six-position cable connector form)S570Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. V139 Source-scoped identification only. No complete cable assembly, universal mating, pin assignment, safe operating load, installation instruction or independent approval is established.	8 (Claim C192C)S474Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. Do not infer cable role solely from the equipment category or position count.	Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
Contact rows	2 (Source-described array; C191A); 2 (Source-described array; C191B); 2 (Source-described array; C191C); 2 (Source-described array; C191D); 2S199 · S216 · S572 · S572 · S755Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. V36 catalogue-expansion identification fact only; not independent technical approval, fabrication data, wiring instruction or end-to-end compatibility proof. V37 engineering-depth sidecar fact; source-checked but not independently human-approved, not a fabrication drawing, and not a safe-substitution or repair instruction. V139 Source-scoped identification only. No complete cable assembly, universal mating, pin assignment, safe operating load, installation instruction or independent approval is established. Intel336521Rev2.1a PCIe2x3 auxiliary. Documented role: cable plug. Noexactmaker/partinferred. Molex45559-0002partpagewasreadbuttheIntelcrossreferencewasnotestablished,sothatpartisnotassignedtoPCIe6pin.; 2x3denotes2rows3positions;no newnumberedfaceorpinout is created. Rating is not standalone assembly approval.	2 (Source-described array; C192A); 2 (Source-described array; C192B); 2 (Source-described array; C192E)S199 · S216 · S561Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. V36 catalogue-expansion identification fact only; not independent technical approval, fabrication data, wiring instruction or end-to-end compatibility proof. V37 engineering-depth sidecar fact; source-checked but not independently human-approved, not a fabrication drawing, and not a safe-substitution or repair instruction. Printed page 59 only. The guide-specific connection description is not a PSU-side socket assignment or permission to reuse an unknown cable.	Not recordedNo qualified value remains for this contact/body field. Source context is retained in variant_notes; no value inferred from artwork or names.
Connector role	plug; header; cable plugS199 · S216 · S755Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. PCIe auxiliary-power cable plug / add-in-card header interface Intel336521Rev2.1a PCIe2x3 auxiliary. Documented role: cable plug. Noexactmaker/partinferred. Molex45559-0002partpagewasreadbuttheIntelcrossreferencewasnotestablished,sothatpartisnotassignedtoPCIe6pin.; 2x3denotes2rows3positions;no newnumberedfaceorpinout is created. Rating is not standalone assembly approval.	plug; headerS199 · S216Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. PCIe auxiliary-power cable plug / add-in-card header interface	plug; header; PCB headerS199 · S216 · S561Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. ATX 3.0 PCIe auxiliary-power cable plug / add-in-card header interface IntelATX12VO613768Rev2.11 historical12VHPWR distinction. Documented role: PCB header. This isanexplicitcomparisonofolder12VHPWRandreplacement12V-2x6;H++isnottransferredto12VHPWR.; Noindividualspecimen,600Wcapability,markinglocationorunchangedheaderdimensionsclaimed. Existingdatedvariantsstayseparate.
Key distinction	A PCIe auxiliary-power connector is not a general-purpose keyed DC connector.	This eight-position PC power form is not interchangeable with every 8-pin CPU-power connector.	The newer 16-contact form is a separate connector family from the older 2x3 and 2x4 PCIe auxiliary connectors.

Full evidence ledger and sources ↓

Illustrations are computer-generated with prior AI visual review; independent technical and rights review pending. A comparison is not a compatibility verdict.

This comparison stays within one evidence layer.

All selected records are Connector records. Similar layer does not mean compatible, interchangeable or safe to mate.

Families represented: PC power

The reference ledger

Read the same question across.

3 selected records · 13 fields
No score. No compatibility verdict.

On a narrow screen, scroll the table sideways or open the field-by-field reading view below. Illustrations are not a size comparison.

Comparison of selected field notes; source links accompany each documented specification
What you are comparing	P191 / ConnectorPCIe 6-pin auxiliary power connector Identification schematic · not to scale · drawing review pending	P192 / ConnectorPCIe 8-pin auxiliary power connector Identification schematic · not to scale · drawing review pending	P193 / Connector12VHPWR 16-contact auxiliary power connector Identification schematic · not to scale · drawing review pending
Layer	Connector	Connector	Connector
Key distinction	A PCIe auxiliary-power connector is not a general-purpose keyed DC connector.	This eight-position PC power form is not interchangeable with every 8-pin CPU-power connector.	The newer 16-contact form is a separate connector family from the older 2x3 and 2x4 PCIe auxiliary connectors.
Nominal contacts	6S199Documented position count only; no V36 electrical pin map.	8S199Documented position count only; no V36 electrical pin map.	16S199Source-backed total of twelve larger plus four smaller contacts; not a pin assignment.
Positions / cavity span	6 (PCIe six-position cable connector form)S570Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. V139 Source-scoped identification only. No complete cable assembly, universal mating, pin assignment, safe operating load, installation instruction or independent approval is established.	8 (Claim C192C)S474Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. Do not infer cable role solely from the equipment category or position count.	Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
Populated contacts	Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.	Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.	Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
Contact rows	2 (Source-described array; C191A); 2 (Source-described array; C191B); 2 (Source-described array; C191C); 2 (Source-described array; C191D); 2S199 · S216 · S572 · S572 · S755Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. V36 catalogue-expansion identification fact only; not independent technical approval, fabrication data, wiring instruction or end-to-end compatibility proof. V37 engineering-depth sidecar fact; source-checked but not independently human-approved, not a fabrication drawing, and not a safe-substitution or repair instruction. V139 Source-scoped identification only. No complete cable assembly, universal mating, pin assignment, safe operating load, installation instruction or independent approval is established. Intel336521Rev2.1a PCIe2x3 auxiliary. Documented role: cable plug. Noexactmaker/partinferred. Molex45559-0002partpagewasreadbuttheIntelcrossreferencewasnotestablished,sothatpartisnotassignedtoPCIe6pin.; 2x3denotes2rows3positions;no newnumberedfaceorpinout is created. Rating is not standalone assembly approval.	2 (Source-described array; C192A); 2 (Source-described array; C192B); 2 (Source-described array; C192E)S199 · S216 · S561Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. V36 catalogue-expansion identification fact only; not independent technical approval, fabrication data, wiring instruction or end-to-end compatibility proof. V37 engineering-depth sidecar fact; source-checked but not independently human-approved, not a fabrication drawing, and not a safe-substitution or repair instruction. Printed page 59 only. The guide-specific connection description is not a PSU-side socket assignment or permission to reuse an unknown cable.	Not recordedNo qualified value remains for this contact/body field. Source context is retained in variant_notes; no value inferred from artwork or names.
Contact pitch	4.2 mm published2x3/2x4auxiliary contact pitchS755Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. Intel336521Rev2.1a PCIe2x3 auxiliary. Documented role: cable plug. Noexactmaker/partinferred. Molex45559-0002partpagewasreadbuttheIntelcrossreferencewasnotestablished,sothatpartisnotassignedtoPCIe6pin.; 2x3denotes2rows3positions;no newnumberedfaceorpinout is created. Rating is not standalone assembly approval.	4.2 mm manufacturer-reported centerline or mating-interface pitch (NVIDIA GRID K2 eight-pin PCIe power header)S765Separate exact examples; retain each value’s source, role, axis and part scope. Exact named example NVIDIA GRID K2 eight-pin PCIe power header: Device-specific board header. Exact example only; no universal geometry, electrical compatibility, fabrication approval or wiring instruction. Named2013board example only. Do not treat as every modernGPUheader geometry or modularPSU pinout.	3 mm Power-contact spacingS216Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. nominal_identifier; ATX 3.0 PCIe auxiliary-power cable plug / add-in-card header interface
Dimensions / axis	Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.	18 ± 0.25 mm housing width (NVIDIA GRID K2 eight-pin PCIe power header); 11.4 ± 0.25 mm housing height (NVIDIA GRID K2 eight-pin PCIe power header); 18.1 ± 0.25 mm front-to-rear overall connector extent including formed PCB tails (NVIDIA GRID K2 eight-pin PCIe power header)S765Separate exact examples; retain each value’s source, role, axis and part scope. Exact named example NVIDIA GRID K2 eight-pin PCIe power header: Device-specific board header. Exact example only; no universal geometry, electrical compatibility, fabrication approval or wiring instruction. Named2013board example only. Do not treat as every modernGPUheader geometry or modularPSU pinout.	Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
Connector role	plug; header; cable plugS199 · S216 · S755Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. PCIe auxiliary-power cable plug / add-in-card header interface Intel336521Rev2.1a PCIe2x3 auxiliary. Documented role: cable plug. Noexactmaker/partinferred. Molex45559-0002partpagewasreadbuttheIntelcrossreferencewasnotestablished,sothatpartisnotassignedtoPCIe6pin.; 2x3denotes2rows3positions;no newnumberedfaceorpinout is created. Rating is not standalone assembly approval.	plug; headerS199 · S216Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. PCIe auxiliary-power cable plug / add-in-card header interface	plug; header; PCB headerS199 · S216 · S561Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. ATX 3.0 PCIe auxiliary-power cable plug / add-in-card header interface IntelATX12VO613768Rev2.11 historical12VHPWR distinction. Documented role: PCB header. This isanexplicitcomparisonofolder12VHPWRandreplacement12V-2x6;H++isnottransferredto12VHPWR.; Noindividualspecimen,600Wcapability,markinglocationorunchangedheaderdimensionsclaimed. Existingdatedvariantsstayseparate.
Coupling / latch	Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.	Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.	Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
Keying / polarization	Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.	position1indicator and alignment rib shown in Figure7 (NVIDIA GRID K2 eight-pin PCIe power header)S765Separate exact examples; retain each value’s source, role, axis and part scope. Exact named example NVIDIA GRID K2 eight-pin PCIe power header: Device-specific board header. Exact example only; no universal geometry, electrical compatibility, fabrication approval or wiring instruction. Named2013board example only. Do not treat as every modernGPUheader geometry or modularPSU pinout.	Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
Documented identification	6-position 2x3 PCIe auxiliary-power form.C191A	8-position 2x4 PCIe auxiliary-power form.C192A	16 contacts: 12 larger power contacts plus 4 smaller sideband contacts.C193A
Evidence	C191A,C191C,C191D,C191E → Independent review pending	C192A,C192C,C192D,C192E,C192F → Independent review pending	C193A,C193C,C193D → Independent review pending

Read field by field — no sideways scrolling

The same selected records, fields, values and source links as the table. Missing fields remain non-equivalent; no values are merged.

Layer

PCIe 6-pin auxiliary power connectorP191 / Connector: Connector
PCIe 8-pin auxiliary power connectorP192 / Connector: Connector
12VHPWR 16-contact auxiliary power connectorP193 / Connector: Connector

Key distinction

PCIe 6-pin auxiliary power connectorP191 / Connector: A PCIe auxiliary-power connector is not a general-purpose keyed DC connector.
PCIe 8-pin auxiliary power connectorP192 / Connector: This eight-position PC power form is not interchangeable with every 8-pin CPU-power connector.
12VHPWR 16-contact auxiliary power connectorP193 / Connector: The newer 16-contact form is a separate connector family from the older 2x3 and 2x4 PCIe auxiliary connectors.

Nominal contacts

PCIe 6-pin auxiliary power connectorP191 / Connector: 6S199Documented position count only; no V36 electrical pin map.
PCIe 8-pin auxiliary power connectorP192 / Connector: 8S199Documented position count only; no V36 electrical pin map.
12VHPWR 16-contact auxiliary power connectorP193 / Connector: 16S199Source-backed total of twelve larger plus four smaller contacts; not a pin assignment.

Positions / cavity span

PCIe 6-pin auxiliary power connectorP191 / Connector: 6 (PCIe six-position cable connector form)S570Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. V139 Source-scoped identification only. No complete cable assembly, universal mating, pin assignment, safe operating load, installation instruction or independent approval is established.
PCIe 8-pin auxiliary power connectorP192 / Connector: 8 (Claim C192C)S474Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. Do not infer cable role solely from the equipment category or position count.
12VHPWR 16-contact auxiliary power connectorP193 / Connector: Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.

Populated contacts

PCIe 6-pin auxiliary power connectorP191 / Connector: Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
PCIe 8-pin auxiliary power connectorP192 / Connector: Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
12VHPWR 16-contact auxiliary power connectorP193 / Connector: Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.

Contact rows

PCIe 6-pin auxiliary power connectorP191 / Connector: 2 (Source-described array; C191A); 2 (Source-described array; C191B); 2 (Source-described array; C191C); 2 (Source-described array; C191D); 2S199 · S216 · S572 · S572 · S755Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. V36 catalogue-expansion identification fact only; not independent technical approval, fabrication data, wiring instruction or end-to-end compatibility proof. V37 engineering-depth sidecar fact; source-checked but not independently human-approved, not a fabrication drawing, and not a safe-substitution or repair instruction. V139 Source-scoped identification only. No complete cable assembly, universal mating, pin assignment, safe operating load, installation instruction or independent approval is established. Intel336521Rev2.1a PCIe2x3 auxiliary. Documented role: cable plug. Noexactmaker/partinferred. Molex45559-0002partpagewasreadbuttheIntelcrossreferencewasnotestablished,sothatpartisnotassignedtoPCIe6pin.; 2x3denotes2rows3positions;no newnumberedfaceorpinout is created. Rating is not standalone assembly approval.
PCIe 8-pin auxiliary power connectorP192 / Connector: 2 (Source-described array; C192A); 2 (Source-described array; C192B); 2 (Source-described array; C192E)S199 · S216 · S561Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. V36 catalogue-expansion identification fact only; not independent technical approval, fabrication data, wiring instruction or end-to-end compatibility proof. V37 engineering-depth sidecar fact; source-checked but not independently human-approved, not a fabrication drawing, and not a safe-substitution or repair instruction. Printed page 59 only. The guide-specific connection description is not a PSU-side socket assignment or permission to reuse an unknown cable.
12VHPWR 16-contact auxiliary power connectorP193 / Connector: Not recordedNo qualified value remains for this contact/body field. Source context is retained in variant_notes; no value inferred from artwork or names.

Contact pitch

PCIe 6-pin auxiliary power connectorP191 / Connector: 4.2 mm published2x3/2x4auxiliary contact pitchS755Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. Intel336521Rev2.1a PCIe2x3 auxiliary. Documented role: cable plug. Noexactmaker/partinferred. Molex45559-0002partpagewasreadbuttheIntelcrossreferencewasnotestablished,sothatpartisnotassignedtoPCIe6pin.; 2x3denotes2rows3positions;no newnumberedfaceorpinout is created. Rating is not standalone assembly approval.
PCIe 8-pin auxiliary power connectorP192 / Connector: 4.2 mm manufacturer-reported centerline or mating-interface pitch (NVIDIA GRID K2 eight-pin PCIe power header)S765Separate exact examples; retain each value’s source, role, axis and part scope. Exact named example NVIDIA GRID K2 eight-pin PCIe power header: Device-specific board header. Exact example only; no universal geometry, electrical compatibility, fabrication approval or wiring instruction. Named2013board example only. Do not treat as every modernGPUheader geometry or modularPSU pinout.
12VHPWR 16-contact auxiliary power connectorP193 / Connector: 3 mm Power-contact spacingS216Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. nominal_identifier; ATX 3.0 PCIe auxiliary-power cable plug / add-in-card header interface

Dimensions / axis

PCIe 6-pin auxiliary power connectorP191 / Connector: Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
PCIe 8-pin auxiliary power connectorP192 / Connector: 18 ± 0.25 mm housing width (NVIDIA GRID K2 eight-pin PCIe power header); 11.4 ± 0.25 mm housing height (NVIDIA GRID K2 eight-pin PCIe power header); 18.1 ± 0.25 mm front-to-rear overall connector extent including formed PCB tails (NVIDIA GRID K2 eight-pin PCIe power header)S765Separate exact examples; retain each value’s source, role, axis and part scope. Exact named example NVIDIA GRID K2 eight-pin PCIe power header: Device-specific board header. Exact example only; no universal geometry, electrical compatibility, fabrication approval or wiring instruction. Named2013board example only. Do not treat as every modernGPUheader geometry or modularPSU pinout.
12VHPWR 16-contact auxiliary power connectorP193 / Connector: Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.

Connector role

PCIe 6-pin auxiliary power connectorP191 / Connector: plug; header; cable plugS199 · S216 · S755Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. PCIe auxiliary-power cable plug / add-in-card header interface Intel336521Rev2.1a PCIe2x3 auxiliary. Documented role: cable plug. Noexactmaker/partinferred. Molex45559-0002partpagewasreadbuttheIntelcrossreferencewasnotestablished,sothatpartisnotassignedtoPCIe6pin.; 2x3denotes2rows3positions;no newnumberedfaceorpinout is created. Rating is not standalone assembly approval.
PCIe 8-pin auxiliary power connectorP192 / Connector: plug; headerS199 · S216Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. PCIe auxiliary-power cable plug / add-in-card header interface
12VHPWR 16-contact auxiliary power connectorP193 / Connector: plug; header; PCB headerS199 · S216 · S561Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. ATX 3.0 PCIe auxiliary-power cable plug / add-in-card header interface IntelATX12VO613768Rev2.11 historical12VHPWR distinction. Documented role: PCB header. This isanexplicitcomparisonofolder12VHPWRandreplacement12V-2x6;H++isnottransferredto12VHPWR.; Noindividualspecimen,600Wcapability,markinglocationorunchangedheaderdimensionsclaimed. Existingdatedvariantsstayseparate.

Coupling / latch

PCIe 6-pin auxiliary power connectorP191 / Connector: Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
PCIe 8-pin auxiliary power connectorP192 / Connector: Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
12VHPWR 16-contact auxiliary power connectorP193 / Connector: Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.

Keying / polarization

PCIe 6-pin auxiliary power connectorP191 / Connector: Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
PCIe 8-pin auxiliary power connectorP192 / Connector: position1indicator and alignment rib shown in Figure7 (NVIDIA GRID K2 eight-pin PCIe power header)S765Separate exact examples; retain each value’s source, role, axis and part scope. Exact named example NVIDIA GRID K2 eight-pin PCIe power header: Device-specific board header. Exact example only; no universal geometry, electrical compatibility, fabrication approval or wiring instruction. Named2013board example only. Do not treat as every modernGPUheader geometry or modularPSU pinout.
12VHPWR 16-contact auxiliary power connectorP193 / Connector: Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.

Documented identification

PCIe 6-pin auxiliary power connectorP191 / Connector: 6-position 2x3 PCIe auxiliary-power form.C191A
PCIe 8-pin auxiliary power connectorP192 / Connector: 8-position 2x4 PCIe auxiliary-power form.C192A
12VHPWR 16-contact auxiliary power connectorP193 / Connector: 16 contacts: 12 larger power contacts plus 4 smaller sideband contacts.C193A

Evidence

PCIe 6-pin auxiliary power connectorP191 / Connector: C191A,C191C,C191D,C191E →
Independent review pending
PCIe 8-pin auxiliary power connectorP192 / Connector: C192A,C192C,C192D,C192E,C192F →
Independent review pending
12VHPWR 16-contact auxiliary power connectorP193 / Connector: C193A,C193C,C193D →
Independent review pending

Your next step

Use the distinction in context.

Open the field notes Read source-linked facts and limitations.Compare another pair Start from a common confusion.Check a connection A comparison is not a compatibility verdict.

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PCIe 8-pin, 12VHPWR and 12V-2x6 auxiliary powerWhich exact GPU auxiliary-power connector family does the PSU and device documentation require? Connector-family identity is only the first layer; implementation-specific electrical and protocol requirements still need exact documentation.8-pin CPU power versus 8-pin PCIe auxiliary powerWhat does the PSU cable and motherboard/GPU manual call this connector? Pin count alone is not enough.BNC vs TNC coaxial connectorsBNC uses bayonet coupling while TNC uses threaded coupling. Connector family, impedance and application still need to be verified independently.DisplayPort connector vs DisplayPort 2.1The full-size DisplayPort connector does not identify the implemented DisplayPort generation, link rate or optional features.DisplayPort vs Mini DisplayPortFull-size DisplayPort and Mini DisplayPort are different physical forms. Mini DisplayPort shape also appeared on Thunderbolt 1/2 products, so function still needs device evidence.DVI-D dual-link vs DVI-I dual-linkDVI-D and DVI-I use related shells but have different contact arrangements. The analog-contact area is a key physical distinction.

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Add a field note

Evidence behind this page

Scope first. Source second. Approval separate.

8 linked sources · 12 scoped claims · 0 sources with inspection/access flags.

Page scope: Evidence behind the compared records; the editorial comparison still needs separate review.

Assessment 2026-10-22 · earliest scheduled source review 2027-01-03. This is a recorded-date assessment, not a live source check. Page-level independent review is not established by this panel.

Inspect 8 source scopes, access limits and dates

S199 · ATX Version 3.0 — PCI Express add-in card connectors

Intel · Manufacturer / product-owner domain · inspected 2026-10-05 · due 2027-01-03

Within inspection window

Scoped support: Identifies legacy 2x3 and 2x4 PCIe auxiliary-power forms and the 12VHPWR form with twelve larger power contacts plus four smaller sideband contacts.

Not established / limitations: Identification/reference scope only. V36 does not convert this source into a universal pinout, fabrication drawing, electrical approval or end-to-end compatibility verdict.

Locator: PCIe auxiliary power connector section

S474 · Which PSU cables go where? — EPS and PCIe sections

CORSAIR · Unclassified publisher domain · inspected 2026-10-11 · due 2027-01-09

Within inspection window

Scoped support: Split-cable examples and CPU/PCIe role distinction only. No physical mating-face art is authorized by this text inspection.

Not established / limitations: Only the exact named source/example supports the observation. No universal mating, wiring, maximum rating or mechanical tolerance is inferred. Not identified; retrieval is not a revision date.

Locator: 4-pin ATX12V / 8-pin EPS12V and 6-pin / 6+2-pin PCIe sections. Text inspected; linked product images could not be retrieved.

S489 · PSU cable compatibility — Type 3/4 versus Type 5 warning

CORSAIR · Unclassified publisher domain · inspected 2026-10-11 · due 2027-01-09

Within inspection window

Scoped support: CORSAIR modular PSU cable types only; not cross-brand compatibility.

Not established / limitations: Exact source and example only; no device approval, universal rating, wiring or manufacturing tolerance is inferred. Remote raw-file retention is reported separately.

Locator: Disclaimer item 3; cable-type headings. The model chart icon cells are not interpreted.

S560 · CORSAIR power-cable guide — required inputs and connector location

CORSAIR · Unclassified publisher domain · inspected 2026-10-12 · due 2027-01-10

Within inspection window

Scoped support: Equipment-side roles and the instruction to consult the motherboard manual. The article includes motherboard PCIe-power examples. Its images do not qualify as inspected physical specimens here.

Not established / limitations: No independent review, wiring, current rating, mating or fabrication approval. Retrieval status and document revision retained.

Locator: 4-pin ATX12V / 8-pin EPS12V and 6-pin / 6+2-pin PCIe sections; accompanying physical images were not visually inspectable.

S561 · Intel ATX12VO Design Guide revision 2.11 — role and generation boundaries

Intel · Manufacturer / product-owner domain · inspected 2026-10-12 · due 2027-01-10

Within inspection window

Scoped support: This specified guide revision only. It separates PCB headers from cable plugs and describes changed PCB-header contact lengths. No pinout, dimensions, sensing circuit, power rating or fit approval is imported.

Not established / limitations: No independent review, wiring, current rating, mating or fabrication approval. Retrieval status and document revision retained.

Locator: Revision 2.11 / May 2024. Printed pages 17, 58, 59 and 63 visually inspected; page 63 special note compares 12V-2x6 and earlier 12VHPWR.

S562 · Intel ATX multi-rail guide version 2.01 — original 12VHPWR options

Intel · Manufacturer / product-owner domain · inspected 2026-10-12 · due 2027-01-10

Within inspection window

Scoped support: Historical HTML text was available during this session; subsequent refresh attempts timed out. The figures were not visually inspected. No original physical silhouette or current-version assertion is supplied.

Not established / limitations: No independent review, wiring, current rating, mating or fabrication approval. Retrieval status and document revision retained.

Locator: Version 2.01 / document 336521 / 1 February 2023. Original 12VHPWR subsection: H+ identifier and two housing options distinguished by sideband protection.

S570 · ATX motherboard role and separable PCIe cable portions

CORSAIR · Unclassified publisher domain · inspected 2026-10-12 · due 2027-01-10

Within inspection window

Scoped support: The guide identifies motherboard main power and describes using the six-position portion of a documented 6+2 cable. It does not identify every bare housing or authorize an unknown PSU cable.

Not established / limitations: Source-scoped identification only. No complete cable assembly, universal mating, pin assignment, safe operating load, installation instruction or independent approval is established.

Locator: 24-pin ATX connector and 6-pin / 6+2-pin PCIe sections. Text inspected; article images unavailable.

S572 · ATX guide 2.01: six-position auxiliary power scope

Intel · Manufacturer / product-owner domain · inspected 2026-10-12 · due 2027-01-10

Within inspection window

Scoped support: Historical guide version 2.01 explicitly has a newer-version notice. Its 75 W purpose and sense role are retained as dated design-guide facts, not a safe load for an unknown cable. No table, wiring location or jumper procedure is reproduced.

Locator: Document 336521, version 2.01, dated 1 February 2023; PCIe 2x3 subsection, 75-watt design purpose and sense-function prose.

Trace 12 claims to their source records

C191A · P191

Intel documents a 2x3 PCIe add-in-card auxiliary-power connector form in the cited ATX design guide.

Claim scope: V36 catalogue-expansion identification fact only; not independent technical approval, fabrication data, wiring instruction or end-to-end compatibility proof.

Source links: S199 · Evidence trail → (private workspace)

C191C · P191

Intel design-guide version 2.01 describes the PCIe 2x3 auxiliary connector as providing 75 watts to an add-in card. This is a dated design purpose, not a tested rating for an unidentified cable.

Claim scope: V139 Source-scoped identification only. No complete cable assembly, universal mating, pin assignment, safe operating load, installation instruction or independent approval is established.

Source links: S572 · Evidence trail → (private workspace)

C191D · P191

The PCIe 2x3 subsection of Intel guide 2.01 describes a sense connection used by the add-in card to detect an attached auxiliary-power connector; a wiring location or modification is not supplied here.

Source links: S572 · Evidence trail → (private workspace)

C191E · P191

CORSAIR describes using only the six-position portion of a 6+2 PCIe cable for a six-position connection; its small two-position portion is separate. This does not authorize an arbitrary cable or power-supply-side substitution.

Source links: S570 · Evidence trail → (private workspace)

C192A · P192

Intel documents a 2x4 PCIe add-in-card auxiliary-power connector form in the cited ATX design guide.

Claim scope: V36 catalogue-expansion identification fact only; not independent technical approval, fabrication data, wiring instruction or end-to-end compatibility proof.

Source links: S199 · Evidence trail → (private workspace)

C192C · P192

CORSAIR describes the eight-position PCIe cable end as a 6+2 arrangement and distinguishes it from EPS12V; some motherboards also use PCIe power connectors.

Claim scope: Do not infer cable role solely from the equipment category or position count.

Source links: S474 · Evidence trail → (private workspace)

C192D · P192

CORSAIR warns that using the incorrect modular PSU cable type may damage hardware and requires cable-type verification before installation.

Claim scope: The component-end PCIe role is separate from exact CORSAIR PSU cable compatibility; no cross-brand pinout is inferred.

Source links: S489 · Evidence trail → (private workspace)

C192E · P192

Intel revision 2.11 describes the PCIe 2x4 connection as a board header and a separate cable-plug harness; these are different component roles.

Claim scope: Printed page 59 only. The guide-specific connection description is not a PSU-side socket assignment or permission to reuse an unknown cable.

Source links: S561 · Evidence trail → (private workspace)

C192F · P192

CORSAIR documents PCIe-power inputs on some motherboards as well as graphics cards; mounting on a motherboard does not by itself identify an EPS12V input.

Claim scope: The final clause is an identification inference from the explicit counterexample, not a claim about every motherboard.

Source links: S560 · Evidence trail → (private workspace)

C193A · P193

Intel describes the 12VHPWR auxiliary-power connector form as twelve larger power contacts plus four smaller sideband contacts and distinguishes it from legacy 2x3/2x4 PCIe forms.

Claim scope: V36 catalogue-expansion identification fact only; not independent technical approval, fabrication data, wiring instruction or end-to-end compatibility proof.

Source links: S199 · Evidence trail → (private workspace)

C193C · P193

Intel revision 2.11 identifies H+ with the previously defined 12VHPWR connector and distinguishes the revised 12V-2x6 PCB connector with H++.

Claim scope: Printed page 63. A label comparison is not an assessment of an actual cable, seating, available power or exact manufacturer part.

Source links: S561 · Evidence trail → (private workspace)

C193D · P193

Intel version 2.01 describes two original 12VHPWR housing options differentiated by sideband-contact protection.

Claim scope: Historical text only; neither option’s geometry was visually inspected in this round. A later 12V-2x6 illustration is not substituted.

Source links: S562 · Evidence trail → (private workspace)

Prepare this page for review →Read the evidence method →

Recorded evidence only. An inspection date, publisher label, source link or generated packet is not independent technical review, hardware testing, fabrication approval or a compatibility verdict.