macally phrs-250cc firewire 400 usb2 .0 external storage enclosure for 2.5 sata hdd
compact size for portability shock absorbent rubber strip on top and bottom solid aluminum body for protection and excellent heat dissipation design for 2.5 ide hdd up to 9.5 mm height works with both mac and pc computers supports both usb2 .0 amp usb1 .1 connection supports ieee 1394 a firewire connection dual firewire ports for daisy chain supports hot plug and play active led to indicate power and data access no ac power adapter required . system requirements mac os 9.2 mac os 10.1.5 mac os 10.2 mac os 10.3 mac os 10.4 any desktop or notebook computer with an available usb port or firewire port . specifications net weight 6.9 oz dimensions w 3 x l 5.1 x h 0.8 1 year warranty .