A-Power 3.5" USB 2.0 Aluminum Ext HDD Enclosure w/LED (Blk) A-Power 3.5-Inch USB external aluminum drive case General Features: Black color Blue LEDs on front Aluminum construction provides excellent heat dissipation USB 2.0 interface (USB 1.1 compatible) Up to 480 Mbps data transfer speed Plug and Play Hot swappable Supports 3.5-inch IDE hard drives Unit Dimensions: 7.5 x 4.25 x 1.25-inches (L x W x H, approximate) Power Supply: 100-240 VAC ~ 50/60 Hz