The ECUSB3S22 2-Port Express Card USB (Universal Serial Bus) 3.0 Card adds 2 Super Speed USB (Universal Serial Bus) 3.0 ports to an Express Card-enabled computer system, using a 34mm form factor that will fit in both 34mm & 54mm slots, along with ports mounted side-by-side to provide room for easy access. USB (Universal Serial Bus) 3.0 supports data transfer rates up to 5 Gbps (10x faster than USB (Universal Serial Bus) 2.0) & is able to provide more power per port, to help support faster & more powerful devices. Also, this Express Card adapter is backward compatible with USB (Universal Serial Bus) 2.0/1.x, so all of your existing devices will still work. Features Two Super Speed USB (Universal Serial Bus) 3.0 compliant ports, with support for transfer rates up to 5 Gbps Side-by-side port mount design Backward compatible with USB (Universal Serial Bus) 2.0/1.x devices Built-in external DC power connector (optional) Compliant with USB (Universal Serial Bus) 3.0 base
Specification 1.0 & x HCI
Specification 0.96 Compliant with PCI Express
Specification 2.0