The Thermaltake Blac-X SE is a flexible external USB backup solution for your desktop computer. Its patented design support all 2.5" & 3.5" SATA HDDs up to 1TB. Its easy access docking system and Hot-Swap capabilites means you can safely and quickly swap hard drives without turning off your computer! With 4 USB 2.0 ports, the Blac-X E also doubles as a 4-port USB hub for all your USB devices and peripherals.