Features: Supports 1 * 2.5 inches SSD/HDD and 1 * 3.5 HDD (SATA III/II/I(6.0/3.0/1.5 Gbps). Provides 2 port USB 3.0 and power ON/OFF switch controlling the two bays. Strong metal structure, anti shock design and reliable. No drivers or software required, plug and play. Pull/push bar designed for easy insertion and ejection of HDD SSD. LED indicator for power and drive activity. Supports 50,000 cycles hot swap. Support different thickness of 3.5 HDD and 2.5 SSD/HDD of 7-9.5mm thick.