Macally 2.5-Inch SATA to Firewire 800 and USB3.0 SuperSpeed Hard Disk Drive Enclosure (PHR-S250U3B) Designed for 2.5 SATA I, II and III HDD (up to 9.5mm height) Shock absorbent rubber strip on top and bottom Solid Aluminum body for protection and excellent heat dissipation Supports both USB 3.0(up to 5Gbps) & USB 2.0(up to 480Mbps) connection Supports IEEE1394B FireWire 800 connection Dual FireWire 800 ports for daisy chain Supports hot plug and play No AC power adapter required