Supports 1x 3.5' SAS/SATA HDD (SAS host is required for SAS HDD) Installed into any standard external 5.25' drive bay Tray-less design for hot-swapping bare drives without tools or screws Heavy-duty all-metal door latch for best drive protection Supports SATA 3.0 6Gbps or SAS 3.0 12Gbps (Single channel SAS only) Supports SATA data and power cables with locking latches Individual drive power button and drive activity light Full-Metal construction to withstand any harsh environment Complimentary support from a professionally trained support agent