Supports all 2.5"" and 3.5"" SATA I/II hard drives Dual docking station design for easy access to multiple HDD at once Plug and play installation Eject button for safe removal of your hard drive USB 3.0 high speed transfer rate Power & Activity LED indicator Install and Access Hard Drive in Seconds Simple to Use Design; No Need to Add Enclosure or Open Case Add Storage to Any System with USB RoHS Compliance Hot-Swap Capability for Rapid Multi HDDs Access & Exchange Windows & Mac OS Compatible Compact Docking Station Design maximizes Heat Dissipation & Exhaust