Seagate FreeAgent GoFlex Upgrade Cable FireWire 800 for $19.99

As part of the GoFlex Storage System, the GoFlex upgrade cable – FireWire 800 enables you to upgrade the interface on your GoFlex or GoFlex Pro ultra-portable drive to FireWire 800 connectivity. The GoFlex FireWire 800 cable simply clicks in place, making it easy to switch between other GoFlex cables and devices. The GoFlex FireWire 800 cable features LED lights to show drive activity and offers 2x faster performance compared to USB 2.0.