With 9.5mm Length low profile bracket and standard bracket. Interface: Interface: Single- (x1) PCI Express Gen2 Mode ; Port: 4 external USB3.0 portsYou need to install the USB3.0 driver for your computer first.Compatible: USB1.1/2.0/3.0 ; Operating Systems: Windows7/8/10(32/64bit) .Speed: Data Transfer rate of 1.5/12/480/5000 Mbps.Low Speed (1.5Mbps), Full Speed (12Mbps), High Speed (480Mbps), Super Speed (5Gpbs)Power Input: SATA or IDE Power Connector ; Power output: +/-5V / 900mA (each port) colour:blueMaterial:Plastic + metalPackage Contents:1 * Expansion Card AdapterOnly 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.