Mapower MAP-AI32US 3.5" USB 2.0 Aluminum External Dual SATA RAID Hard Drives Enclosure - Fits Two 3.5" SATA Hard Drives (Silver) Mapower MAP-AI32US 3.5-inch USB 2.0 Aluminum External Dual SATA RAID Hard Drive Enclosure General Features: Silver color Aluminum material USB 2.0 interface Up to 480 Mbps data transfer rate Supports two (2) SATA hard drives JBOD support Built-in 1.5-inch cooling fan Front Panel Features: Power on/off switch/access indicator Rear Panel Features: