Cablyst Get Pro

Cable database / Apple

Apple Thunderbolt 4 Pro Cable (1 m)

genuine

Illustrative example — the live database is built from real user-submitted reports.

E-MARKER READOUT
vendorApple Inc.
vendor id / product id0x05AC / 0x1234
usb-if registeredyes
e-markerpresent
max data rate40 Gbps
max power100 W · 5 A

What this means

Registered USB-IF vendor, certification VDO present, 5 A e-marker. Full 40 Gbps Thunderbolt.

Cablyst reads these fields from a cable's e-marker as reported to macOS — including USB-IF registration and Power Delivery limits. Check your own: run the free checker or get Cablyst Pro.