Portable 2.5" External Storage Enclosures Map-X21S/X21S2/X21F/X21C/X21C1 Features: Design for 2.5" E-IDE HDD. Hot Swap and PnP function supported. Small Size for easy transportation. Width 2.5" Model No. Map-X21S Map-X21S2 Map-X21F Map-X21C Map-X21C1 Interface USB 1.1 USB 2.0 IEEE 1394 USB 1.1 + USB 2.0 + IEEE1394 IEEE1394 Drive Type E-IDE 2.5" HDD (Support up to 12.5mm height HDD) Power Requirement 1. PS/2 Keyboard adapter 2. AC/DC Power Adapter 3. USB Port 3. IEEE 1394 Port 3. USB or IEEE 1394 Port Dimension(WxDxH) 79.5x141x29 mm Storage Temperature -20ฐC to +60ฐC Operation Temperature +5ฐC to +50ฐC Storage Humidity 5% to 90% Operation Humidity 10% to 80% Warranty One Year Packing List 10 pcs/ 1 CTN N.W. (kg) 3.5 G.W. (kg) 4 Measurement 0.9 CuFt