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by dogma1138 2200 days ago
The cable that comes with the Mac chargers is only a USB 2.0 + USB-C power delivery the cable and doesn’t support usb 3.0/3.1 data rates or TB.

USB type-C cables that support power delivery can have 2 ground pints, 4 VBUS (power) pins and 1 CC (cable connect/config channel) pin.