FIELD GUIDESource-led reference

P316 / Thunderbolt / Cable / adapter

Thunderbolt 4 active USB-C cable example

An exact manufacturer example shows that a USB-C-ended Thunderbolt 4 cable can use active construction and carry a documented set of data, display and charging capabilities.

Also called Thunderbolt 4 Pro Cable active Thunderbolt 4 cable

Active/passive construction and capability belong to the exact cable; they are not visible from USB-C connector shape alone.

The useful distinction

Use the exact product name/length and Thunderbolt marking before applying this example; do not generalize it to an unmarked USB-C cable.

Claim inspection dates: 2026-10-07, 2026-10-08 · Independent review pending

Cable / adapter note · not an individual product specification

The useful distinction

Understand the requirement.

An exact manufacturer example shows that a USB-C-ended Thunderbolt 4 cable can use active construction and carry a documented set of data, display and charging capabilities. [C316A]

Apple’s Thunderbolt 4 Pro Cable 1.8 m overview lists Thunderbolt 3/4 and USB4 up to 40 Gb/s, USB3 up to 10 Gb/s, DisplayPort HBR3 and charging up to 100W. [C316B]

Apple explicitly labels the Thunderbolt 4 Pro Cable 1.8 m as active. Its stated construction and length do not establish the construction or reach of another USB-C-ended cable. [C316C]

Bounded facts, visible unknowns

Specifications and limits

Thunderbolt 4 active USB-C cable example facts and limitations
Evidence scopeExact Apple 1.8 m product [C316A]
ConstructionActive; manufacturer-documented [C316A]
Exact-product published ceilings40 Gb/s Thunderbolt/USB4; 10 Gb/s USB3; 100W; HBR3 [C316B]
Named construction / lengthActive · 1.8 m [C316C]
Verified device listNot included. Check exact device and accessory documentation.
A boundary, not an omission to guess around.

This source-scoped reference does not approve a purchase, installation, live connection, wiring scheme or compatibility outcome. Resolve exact devices, cable markings and required operating mode separately.

Before you connect

What to check

  1. Confirm this exact product/length.
  2. Confirm the required host/device Thunderbolt or USB mode.
  3. Check charging and display needs independently from connector fit.
Trace a supported connection class →

Your next step

Move from the form to the requirement.

The source trail

Evidence for this page

AI-assisted inspection is not independent engineering review. Source scope and access limitations are disclosed below. Procedural checklists are editorial requirements, not hardware measurements.

C316ASource checked · pending review

Apple documents its 1.8 m Thunderbolt 4 Pro Cable as an active USB-C-ended Thunderbolt cable supporting represented Thunderbolt/USB/display modes and charging; those capabilities belong to this exact product, not to USB-C shape generally.

Apple · Thunderbolt 4 (USB-C) Pro Cable (1.8 m) ↗

Locator: Product overview and technical specifications: active Thunderbolt 4 cable; data/display modes; charging capability; Thunderbolt marking
Access: public page. Exact-product evidence does not establish capabilities for visually similar USB-C or Thunderbolt cables.

S374: full source recordInspect review dependencies → (private workspace)

Claim scope: Exact Apple 1.8 m Thunderbolt 4 Pro Cable only.. Next review due 2027-01-05.

C316BSource checked · pending review

Apple’s Thunderbolt 4 Pro Cable 1.8 m overview lists Thunderbolt 3/4 and USB4 up to 40 Gb/s, USB3 up to 10 Gb/s, DisplayPort HBR3 and charging up to 100W.

Apple · Thunderbolt 4 (USB-C) Pro Cable (1.8 m) ↗

Locator: Product overview and technical specifications: active Thunderbolt 4 cable; data/display modes; charging capability; Thunderbolt marking
Access: public page. Exact-product evidence does not establish capabilities for visually similar USB-C or Thunderbolt cables.

S374: full source recordInspect review dependencies → (private workspace)

Claim scope: Exact named Apple 1.8 m product, manufacturer ceilings rather than guaranteed end-to-end rates or simultaneous maxima.. Next review due 2027-01-06.

C316CSource checked · pending review

Apple explicitly labels the Thunderbolt 4 Pro Cable 1.8 m as active. Its stated construction and length do not establish the construction or reach of another USB-C-ended cable.

Apple · Thunderbolt 4 (USB-C) Pro Cable (1.8 m) ↗

Locator: Product overview and technical specifications: active Thunderbolt 4 cable; data/display modes; charging capability; Thunderbolt marking
Access: public page. Exact-product evidence does not establish capabilities for visually similar USB-C or Thunderbolt cables.

S374: full source recordInspect review dependencies → (private workspace)

Claim scope: Exact 1.8 m product. Electronic-marker details and a whole-cable certification registry match are not established by this inspection.. Next review due 2027-01-06.

Suggest a correction to this field note →

Common questions

Questions this record can help resolve

Evidence behind this page

Scope first. Source second. Approval separate.

1 linked sources · 3 scoped claims · 0 sources with inspection/access flags.

Page scope: cable_atlas_v58

Assessment 2026-10-22 · earliest scheduled source review 2027-01-05. This is a recorded-date assessment, not a live source check. Page-level independent review is not established by this panel.

Inspect 1 source scopes, access limits and dates

S374 · Thunderbolt 4 (USB-C) Pro Cable (1.8 m)

Apple · Manufacturer / product-owner domain · inspected 2026-10-07 · due 2027-01-05

Within inspection window

Scoped support: Exact Apple 1.8 m product only; active/passive construction, represented data/display modes and charging rating.

Not established / limitations: Exact-product evidence does not establish capabilities for visually similar USB-C or Thunderbolt cables.

Locator: Product overview and technical specifications: active Thunderbolt 4 cable; data/display modes; charging capability; Thunderbolt marking

Trace 3 claims to their source records

C316A · P316

Apple documents its 1.8 m Thunderbolt 4 Pro Cable as an active USB-C-ended Thunderbolt cable supporting represented Thunderbolt/USB/display modes and charging; those capabilities belong to this exact product, not to USB-C shape generally.

Claim scope: Exact Apple 1.8 m Thunderbolt 4 Pro Cable only.

Source links: S374 · Evidence trail → (private workspace)

C316B · P316

Apple’s Thunderbolt 4 Pro Cable 1.8 m overview lists Thunderbolt 3/4 and USB4 up to 40 Gb/s, USB3 up to 10 Gb/s, DisplayPort HBR3 and charging up to 100W.

Claim scope: Exact named Apple 1.8 m product, manufacturer ceilings rather than guaranteed end-to-end rates or simultaneous maxima.

Source links: S374 · Evidence trail → (private workspace)

C316C · P316

Apple explicitly labels the Thunderbolt 4 Pro Cable 1.8 m as active. Its stated construction and length do not establish the construction or reach of another USB-C-ended cable.

Claim scope: Exact 1.8 m product. Electronic-marker details and a whole-cable certification registry match are not established by this inspection.

Source links: S374 · Evidence trail → (private workspace)

Prepare this page for review → (private workspace)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.