CR0050X Features Made of high quality aluminum alloy Each USB interface provides 900mA current 3.5' floppy size and easy to install Built in Hub and card reader Can read Super SD， Micro SD/TF， MS， M2 card Built-in over current protection to protect the devices and host itself effectively Supports USB 3.0 to SATA interface Transmission speed is up to 5Gb/s Supports USB 1.1 and USB 2.0 Hot plug and play Built-in PCI-E General Specs Input PCI-E   Output USB Card Compatibility Super SD， Micro SD/TF， MS， M2 card Material Aluminum alloy System Required Windows XP/Vista/7 Package Details Weight: 369.15 g Size: 15.5*12.5*5 cm Package Includes * PCI-E to USB3.0 with Internal Hub and USB 2.0 Card Reader * Disc * Screws * User Manual