Thermaltake Max5G Hard Drive Enclosure Active Cooling With Two 80mm Blue LED Fans USB 3.0 5.0Gbps ST0020U. Dual ultra-silent 80mm fans with blue LEDs ensure data integrity during file transferring between external hard disk and the host computer. Easily turn off blue LEDs with built-in switch on the back of the enclosure. Blazing file transfer speed utilizing the world?s fastest SuperSpeed USB 3.0 transfer speed of up to 5Gbps. Backwards compatible with all USB 2.0 (up to 480 Mbps) and USB 1.1 hosts. Supports for all 3.5? SATA I, II, and 6G Hard Drives up to 2TB. Includes shielded USB 3.0 cable to ensure maximum transfer speed with minimum distortion. Integrated stand easily twists out for added overall enclosure stability.