Freegene 3.5" USB 2.0 Aluminum External Dual SATA RAID Hard Drives Enclosure - Fits Two 3.5" SATA Hard Drives (Silver) Freegene 3.5-inch USB 2.0 Aluminum External Dual SATA RAID Hard Drive Enclosure General Features: Silver color Aluminum casing USB 2.0 interface (compatible with USB 1.1) Up to 480 Mbps data transfer rate Supports two (2) SATA hard drives Supports SATA I and SATA II interface with data transfer rate of 1.5 Gbps - 3.0 Gbps Supports NCQ and JBOD