Hornettek HD308U2SBLK Hover 3.5" USB 2.0 Dual Fan External Enclosure: * Universal fit for 3.5" SATA I/II/III HDD * Back panel power switch * Complies with the USB-IF specifications for USB 2.0 * Operates at 480Mbps or 12Mbps * 24W AC adapter * Aluminum cover with internal metal shielding * Color: Black