1. Metal case, strong texture
2. DC big 4PIN socket supply power to each USB3.0 connector up to 900mA MAX, insure all your huge current consumption USB devices can work properly
3. lStandard 3.5" floppy size, easy to install. Can also be mounted to 5.25"
4. 3 ports USB 3.0 hub and 6 slots USB 3.0 card reader plug and play, easy and practical to use. Can read: Supper SD，Micro SD/TF, XD, MS , M2, CF. Support SDHC and SDXC.
5. Build-in over current protection can protect the devices and host itself effectively
6. Support USB 3.0 to Sata interface, USB 3.0 with high speed up to 5.0Gb/s, backward with USB 2.0/1.1
8. Build-in PCI-E, one step to upgrade to front access USB
Upgrade Kit* 1 Screws * 1 User Manual*1 Driver Disk *1