Thunderbolt 2 To Vga Cable: Everything You Should Know About Thunderbolt
The original Thunderbolt specification was updated with Thunderbolt 2, which replaces the two 10 Gbps bidirectional lines with a single 20 Gbps bidirectional channel. The throughput of a single channel has doubled, but the quantity of data that can pass across a Thunderbolt connection has not risen.
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