Product details:
Thunderbolt technology supports blazing-fast data transfer with two independent channels of 10 Gbit/s each. Use the Apple Thunderbolt cable to connect your Thunderbolt-equipped peripherals to your iMac or MacBook Pro. Apple Thunderbolt cable can also be for target disk mode between two Macs that support Thunderbolt, or to use an iMac as a display for a MacBook Pro equipped with Thunderbolt.