Thermaltake Silver River 2.5" 5G SATA Hard Drive Enclosure USB 3.0 5.0Gbps ST0024Z. Blazing fast data transfer with USB 3.0 SuperSpeed. Up to 5.0 Gbps. Supports all 2.5"" SATA hard drives: SATA I II and III (6 Gbps) with any capacity Maximum transfer speed is determined by the host controller. Asynchronous signaling method utilized in USB 3.0 SuperSpeed interface allows the BlacX 5G to operate in bi-directional data interface rather than half-duplex arrangement found on USB 2.0. Fully backward-compatible with USB 2.0.