Antenna cable -34 mm PCI Express (PCI-E) to USB 3.0 Controller Card - 2 Aluminum Port PC adapter Highlights generic brand 34 mm PCI Express (PCI-E) to USB 3.0 Controller Card - 2 Aluminum Port Aluminum PC Adapter Description: Ideal for laptop users without USB3.0 high-speed interface, expands laptop's 34mm Express expansion slot by two high-speed USB3.0 interfaces Fully compliant with specification Express Card 1.0. Single-wire (or x1) full PCI Express throughput This product supports 34 mm / wide Express card slot Conforms to Universal Serial Bus 3.0 Specification Revision 1.0. Complies with version 1.0 of the Xhci (Extensible Host Controller Interface) specification. Support USB3.0, USB 2.0 and USB 1.1 multiple simultaneous operation of equipment Support USB 1.5 / 12 / 480 / 5000 Mbps data transfer rate USB3.0 super-fast dual system port expansion external Meet USB3.0 5V/900mA output power level. Hot-swap function that allows you to connect/disconnect without removing system power Driver supports Microsoft Windows 2000, XP, Vista and 7 operating systems Certification CE, FCC, RoHS and Microsoft WQHL approved . specification: Material: aluminum alloy Size: 75*33*5mm Package includes: 1x adapter 1x CD