ICY DOCK Black Vortex MB174U3S-4SB 4 Bay 3.5" HDD USB 3.0 / eSATA Drive Enclosure with 120mm Front LED Fan in 1x 5.25" Bay Fits 4 x 3.5 SATA I / II / III HDD Easy access LED brightness and Fan speed control (High/Low/off) eSATA port multiplier up to 3Gbps speed (eSATA port multiplier requires for the host) Plug-and-Play USB 3.0 and backward compatible with USB 2.0 Huge 120mm cooling fan effectively keep the drives cool