Supports docking 1 x 2.5 \u201d SAS/SATA HDD/SSD with SATA hot-swap functionality (5mm \u2013 15mm drive height) Fits any external 3.5 \u201d bay Full metal chassis with industrial ABS plastic for full protection to the drive Completely tray-less design and accepts bare drives without trays or holders Drive door-less design for quick hot-swapping / Front accessible drive power switch