StarTech.com 1 Port Flush Mount ExpressCard SuperSpeed USB 3.0 Card Adapter ECUSB3S1 Unique flush mount design fits seamlessly into ExpressCard slots, eliminating the worry of snagging or hitting the card SuperSpeed USB 3.0 connectivity at up to 5 Gbps, while still backwards compatible with USB 2.0/1.x Provides up to 850mA of power, enough for most peripherals, without an external power adapter Unique flush-mount form factor design SuperSpeed USB 3.0 compliant host interface with support for transfer rates up to 5 Gbps Provides up to 850mA of power over USB Backward compatible with USB 2.0/1.x devices Compliant with USB 3.0 base specification 1.0 and xHCI specification 0.95