Suitable for laptop and desktop with 54mm slot Support USB series specifications (Compatible USB 1.1 Full-Speed / 2.0 High-Speed) Support Super-Speed 5Gbps, High-Speed 480Mbps, full-speed 12Mbps and low-speed 1.5Mbps data transfer rate Support . Chip model of USB3.0 expansion card: FL1110 express to USB 3.0 card Supports external power sockets to supply each USB 3.0 Port connectivity up to 900mA Compliant with revision 1.0 of the USB 3.0 specification Support low speed (1.5Mbps) / (12Mbps) / high speed transmission (480Mbps) / super high speed (5Gbps) 2 downstream ports supporting rates Supports all USB-compliant data transfer types as follows; control/bulk/interrupt/isochronous transfer Revision 0.95 of the Compatible Extensible Host Controller Interface (XHCI) Specification Supports multiple USB3.0, USB 2.0 and USB 1.1 operating devices at the same time Supports USB data transfer rates of 1.5/12/480/5000 Mbps Built-in DC jack accepts additional power to meet USB3.0 5 V/900mA output power level Hot-swap capability, you can connect/disconnect devices without powering down the system Support XP/2003/Vista/Win7 Working temperature: 0 ~ 5 7 , working humidity: 5 % ~ 9 5 % relative humidity Operating voltage: +3.3V~+5.0V, storage temperature: -20~85 Support 2000/XP/2003/Vista/WIN7/WIN8/WIN10 Colour: silver+white Material: metal Size: 75 x 33 x 5mm Package Contents: 1 * Express Card Only the above package content, other products are not included. Note: Light 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.