1.All Aluminum alloy.Strong feeling
2.Express card slot supply power to each port up to 900ma MAX,insure all your huge current consumption USB devices can work properly
3.USB to DC power cable ad a current supplement,Allow your huge current devices and work together
4.External equipment which connect to laptop by Express card slot.Easy install and play
5. 4 ports USB 3.0 hub plus four slots card reader,Support:SD,Micro SD/TF,MS,M2
6.Build-in over current protection can protect the devices and Hub itself effecively
7.Support USB3.0 to Sata interface,USB3.0 with high speed up to 5.0Gb/s backward with USB2.0/1.1
8.Hot-swap
9.Build-in Express card,Final solution for upgrading your laptop to USB3.0 with only one step