USB 3.0 SuperSpeed (Backwards compatible with USB 2.0 / 1.1) * Compatible with Macbook USB 3.0 * Support 2.5" SATA I / II / III hard drive up to 1TB. Fits all brand of 2.5" SATA hard drive (9.5mm slim type) * Maximum Transfer rate up to 5 Gbps via USB 3.0 and Maximum Transfer Rate up to 480Mbps via USB 2.0 * Hot-swappable. LED status indicator. Plug & Play for PC/Mac platform. Aluminum construction