2 USB3.0 host ports at back panel;1 USB3.0 host port at front panel;
Internal USB3.0 card reader support CF/MD/SD/MS/XD/Micro SD serial cards;
5 slots with 5 disk volumns; Green power/access LED indicator
OS support: Windows 98/ME/2000/XP/Vista/7.(only XP/Vista/7 can implement USB3.0 performance.)
Can also be used as a external USB3.0 cardreader easily by connecting carder kit to USB3.0 host via a USB3.0 A to A cable.