description Apple Thunderbolt 3 Cable (1m) Overview
A high-quality, certified Thunderbolt 3 cable is essential for connecting docks, external drives, and monitors reliably. Using an official or certified cable ensures that the full bandwidth potential of the M1's ports is utilized without data bottlenecks or intermittent connection drops during critical work sessions.
help Apple Thunderbolt 3 Cable (1m) FAQ
Is Apple's Thunderbolt 3 cable really 1 meter long?
Apple's well-documented passive Thunderbolt 3 cable is 0.8 meter, not exactly 1 meter, so a listing described as 1m should have its part number checked. Apple has also sold longer Thunderbolt cables with different capabilities.
What speed does the Apple Thunderbolt 3 cable support?
The 0.8m Apple Thunderbolt 3 USB-C cable supports Thunderbolt transfers up to 40 Gbps and USB 3.1 Gen 2 up to 10 Gbps. A basic USB-C charging cable may fit the same port while offering far slower data transfer.
Can this cable charge a MacBook Air M1?
Yes, Apple's 0.8m Thunderbolt 3 cable supports power delivery up to 100W, comfortably above the MacBook Air M1's normal charging requirement. The actual charging rate is also limited by the connected power adapter and device.
Can it connect an M1 MacBook Air to two external monitors?
The cable can connect a compatible Thunderbolt dock or display, but the base M1 MacBook Air officially supports only one external display natively. Buying a 40 Gbps cable does not remove that computer-level display limitation.
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