3 Hard Drives HDD Triple Slot (3 SATA slots) USB 2.0 External Docking Dock Station Cradle HUB with Card Readers Supports Three slots of 2.5"/3.5"SATA Hard Disk of any capacity Support Windows:Win 7, 2000/XP/VISTA and MAC OS 10x or above, Linux Output interface: USB Mini 5Pin; 2 Port USB 2.0 Hub; 6 Slots Card Reader; 1/2 SATA ports Support (1)CF SLOT (2)SD SLOT (3)XD SLOT (4)MS SLOT (Mini SD,T-Flash/Micro SD Adapter required) for fast multimedia files access (5)TF, (6)M2 Plug and Play & hard drives can be hot swappable