Each value retains its exact example, role and measurement axis. Facts from different parts must not be combined into an invented component.
Documented examples; not a mating drawing or compatibility approval
Nominal contacts
16S199Source-backed total of twelve larger plus four smaller contacts; not a pin assignment.
Contact pitch
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
Connector role
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.
Series
IntelATX12VO613768Rev2.11 historical12VHPWR distinctionS561Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. IntelATX12VO613768Rev2.11 historical12VHPWR distinction. Documented role: PCB header. This isanexplicitcomparisonofolder12VHPWRandreplacement12V-2x6;H++isnottransferredto12VHPWR.; Noindividualspecimen,600Wcapability,markinglocationorunchangedheaderdimensionsclaimed. Existingdatedvariantsstayseparate.
Recorded markings
Historical12VHPWR PCBconnector is documented with H+;replacement12V-2x6 usesH++.S561Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. IntelATX12VO613768Rev2.11 historical12VHPWR distinction. Documented role: PCB header. This isanexplicitcomparisonofolder12VHPWRandreplacement12V-2x6;H++isnottransferredto12VHPWR.; Noindividualspecimen,600Wcapability,markinglocationorunchangedheaderdimensionsclaimed. Existingdatedvariantsstayseparate.
This is the ATX 3.0 12VHPWR form, not a blanket statement about 12V-2x6 or later revisions.
No physical face orientation, insertion-depth measurement or cable-bend guidance is inferred here.
Use current PSU/GPU manufacturer documentation for an actual installation.
12VHPWR cable plug, per Intel's statement that the renamed 12V-2x6 cable plug is unchanged: Identifiers per Table 5-7.
GIGABYTE GP-UD850GM-A PG5 'PCI-E 16 Pin' cable: Drawing on the cited page.
Intel guide rev 2.0 12VHPWR: Intel Figure 5-4 cable-plug assembly face drawing, sideband below: pin 1 lower left, pin 2 immediately right of it, pin 12 upper right; S1 left, S4 right. Not a PCB-header or cable wire-entry view.
Retained rows context (excluded from normalized contact/body field): 2. V36 catalogue-expansion identification fact only; not independent technical approval, fabrication data, wiring instruction or end-to-end compatibility proof. Sources: S199: PCIe auxiliary power connector section
Retained rows context (excluded from normalized contact/body field): 2. Printed page 63. A label comparison is not an assessment of an actual cable, seating, available power or exact manufacturer part. Sources: S561: Revision 2.11 / May 2024. Printed pages 17, 58, 59 and 63 visually inspected; page 63 special note compares 12V-2x6 and earlier 12VHPWR.
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.
Intel · ATX Version 3.0 — PCI Express add-in card connectors ↗ PCIe auxiliary power connector section · Identification/reference scope only. V36 does not convert this source into a universal pinout, fabrication drawing, electrical approval or end-to-end compatibility verdict.
Intel ATX Version 3.0 documents 12VHPWR with twelve larger power contacts plus four smaller sideband contacts, 3.0 mm power-contact spacing, pins 1–6 +12V3/V4, pins 7–12 COM, and sideband S1 CARD_PWR_STABLE, S2 CARD_CBL_PRES#, S3 SENSE0, S4 SENSE1.
Intel · ATX Version 3.0 — PCIe auxiliary power connector assignments ↗ Tables 5-4, 5-5 and 5-7; 12VHPWR connector description · Exact ATX 3.0 design-guide scope only. 12VHPWR is retained as the documented historical form and must not be silently generalized to later 12V-2x6 revisions or proprietary modular-PSU connectors.
C806Rsource checked
12VHPWR cable plug, per Intel's statement that the renamed 12V-2x6 cable plug is unchanged: original contact normalization. Statuses distinguish comparison agreement, source limits and named-device wiring.
Intel Corporation · ATX Version 3 Multi Rail Desktop Platform Power Supply Design Guide ↗ Revision history entry for 2.1 (printed p. 13): 12VHPWR renamed 12V-2x6 throughout, 'Cable Plug' side unchanged; Section 5.2.2.4.3 'Special Note on 12V-2x6 vs. 12VHPWR connectors' (printed p. 61); Table 5-7 (printed p. 66); Section 5.2.2.1, Table 5-1 Main Power Connector Pin-Out, printed p. 55; Section 5.2.2.2 Peripheral Connectors (AMP 1-480424-0 or Molex 15-24-4048), Table 5-2 Peripheral Connector Pin-out, printed pp. 55-56; Section 5.2.2.3 Floppy Drive Connector - Do Not Include (For Historical Reference Only), AMP 171822-4, Table 5-3 Floppy Connector Pin-out, printed p. 56; Section 5.2.2.4.1, Table 5-4 PCIe 2x3 Auxiliary Power Connector Pin Assignment (75 watts) and note 2, printed p. 57; Section 5.2.2.4.2, Table 5-5 PCIe 2x4 Auxiliary Power Connector Pin Assignment (150 Watts) and Table 5-6 Sense Pin Decoding, printed p. 58; Section 5.2.2.4.3, Table 5-7 PCIe 12V-2x6 Auxiliary Power Connector Pin Assignment (600 watts), printed p. 66; sideband definitions Section 3.3 and Table 3-6, printed pp. 29-32; Section 5.2.2.5, Table 5-9 +12 V Power 8 pin Connector Pin-Out, printed p. 67 · Source scope and unresolved evidence are preserved in the engineering variant.
C806Ssource checked
GIGABYTE GP-UD850GM-A PG5 'PCI-E 16 Pin' cable: original contact normalization. Statuses distinguish comparison agreement, source limits and named-device wiring.
Page scope: Original V37 logical-assignment schematic; not to scale and not a mating-face or manufacturing drawing.
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.
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.
Scoped support: Engineering-sidecar source for legacy PCIe 2x3/2x4 assignments and the ATX 3.0 12VHPWR 12+4 assignment/3.0 mm power-contact spacing context.
Not established / limitations: Exact ATX 3.0 design-guide scope only. 12VHPWR is retained as the documented historical form and must not be silently generalized to later 12V-2x6 revisions or proprietary modular-PSU connectors.
Locator: Tables 5-4, 5-5 and 5-7; 12VHPWR connector description
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.
Intel ATX Version 3.0 documents 12VHPWR with twelve larger power contacts plus four smaller sideband contacts, 3.0 mm power-contact spacing, pins 1–6 +12V3/V4, pins 7–12 COM, and sideband S1 CARD_PWR_STABLE, S2 CARD_CBL_PRES#, S3 SENSE0, S4 SENSE1.
Claim scope: V37 engineering-depth sidecar fact; source-checked but not independently human-approved, not a fabrication drawing, and not a safe-substitution or repair instruction. This claim is explicitly historical 12VHPWR/ATX 3.0 scope and is not a 12V-2x6 equivalence claim.
12VHPWR cable plug, per Intel's statement that the renamed 12V-2x6 cable plug is unchanged: original contact normalization. Statuses distinguish comparison agreement, source limits and named-device wiring.
Claim scope: Pinout variant only; see comparison and per-contact status. Not fabrication approval.
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.
