Rosewill RX303-PU3-35B Plastic 2.5 & 3.5 SATA II Slot USB 3.0 USB 3.0 Two 2.5/3.5 Dock SATA interface with USB 3.0 SD Card Reader and 2 port usb Hub Material: Plastic Dimensions: 2.13 x 4.45 x 4.10 Number of Bay: 1 Maximum Capacity (per Bay): 1.5TB for 2.5 / 6TB for 3.5 Power: 12V2A Operating Systems Supported: Windows XP / Vista / 7 / 8, Mac OS 8 and above Weight: 2.95 lbs.