Iomega ScreenPlay Pro 320GB Multimedia Drive. Video compression formats: DivX, VOB, Audio formats supported: AC3, MP3, WAV, WMA. Weight: 1.17 kg. Cables included: USB. Minimum processor: Pentium III, Compatibility: PC, Mac. Dimensions (WxDxH): 48 x 152 x 222 mm, Compatible operating systems: Microsoft Windows 98SE/Me/2000/XP; Mac OS 9.2., Hard drive capacity: 320 GB