1) High-speed USB 2.0 (backwardly compatible with all USB 1.1 ports) 2) All6 memory-slots active, which enable user to transfer data between the different memory cards in different slots 3) Supports CF type I/II, Micro drive, MS, MS PRO, MS DUO PRO, MS DUO, SD, MMC, SM,T-Flash,M2, XD,up to 480Mbits/s transferring speed 4) Plug-and-Play and hot swapping 5) LED indication for power & access 6) Supports Windows 98/98SE/2000/XP and Mac OS 9.x/Mac OS