Notebook Express Card54 USB3.0 expansion cardExtend 2 USB3.0 ports on the PC with ExpressCard54mm slotInterface type express, Compliant with the revision 1.0 of the USB 3.0 specificationSupport low speed (1.5Mbps) / full speed (12Mbps) / high speed transmission (480Mbps) / super high speed (5Gbps)Support 2 downstream ports of various rates, Supports all data transmission types that comply with the USB standard as follows; control/bulk/interrupt/synchronous transmissionRevision 0.95 of the Extensible Host Controller Interface (XHCI) specification compatible with IntelSupport USB traditional functionCompliant with Express data transfer rate up to 5GbpsSupports external power sockets to provide up to 900mA connection capacity for each USB 3.0 portSupport Windows 2000/XP/2003/Vista/WIN 7, win8/WIN10Comply with XHCI Revision 0.95 specificationBackward compatible with USB2.0/1.1 specificationThe data transfer rate of USB3.0 interface can reach 5Gbps,USB2.0 interface data transfer rate up to 480MbpsThe USB3.0 interface can provide a current of 900mA to power external devicesSupport plug and playWorking temperature: 0 Celsius~ 5 7 Celsius, working humidity: 5% ~ 9 5% relative humidityWorking voltage: + 3. 3 V~ + 5. 0 V, storage temperature: -20 Celsius~85 CelsiusColour:As shownMaterial:MetalPackage Contents:1 * Express Card54 USB3.0 expansion card1 * USB3.0 data cable1 * CD discOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.