ICY DOCK MB975SP-B R1 Tray-less 5 Bay 3.5 SATA Hard Drive Hot Swap Backplane Cage in 3x External 5.25 Bay Color: Black Mobile Rack Drives Support: 5 x 3.5 SATA 1.5 / 3 / 6 Gbit/s hard drive to 3 x external half height 5.25 bay Protection Case: Multiple Drives Compatible Products: 3.5 Specifications: Host Interface: 5 x 7 pin SATA port Power Input: 3 x 15 pin power port Transfer Rate: Up to 6Gb/sec. (depending on hard drive speed) Insert& Extract connection via: Direct SATA hard drive connection Front Panel Contents: 5 x LED power button (Indicator) Structure: Aluminum body w/ partial plastic Drive Cooling: Removable rear outtake fan w/ aluminum heat dispersion; Adjustable fan speed control (High/Low/Auto) Cooling Fan Type: 80mm ball bearing fan with 2 or 3 pin connector Power Indicator: Blue LED HDD Access Indicator: Flashing blue LED Dimension (L x W x H): 8.27 x 5.75 x 4.96 Weight: 3.07 lbs.