Kingwin 2.5-Inch / 3.5-Inch Internal SATA Tray-Less Hot Swap Rack KF-252-BK LED light for power and HDD activity Fits all 2.5" and 3.5" SATA hard disks Fits in one 5 1/4 drive bay No inner tray required Patented non-scratch SATA connector with 50K insertion rate Supports hot swap Tool-less design for HDD installation Compatible with all types of PC cases