Iomega ScreenPlay Pro 320GB Multimedia Drive, DivX, VOB, AC3, MP3, WAV, WMA, PC, Mac, 320 GB, Hi-Speed USB, IEEE 1394 (FireWire), 2.58 lbs (1.17 kg) Iomega ScreenPlay Pro 320GB Multimedia Drive. Video compression formats: DivX, VOB, Audio formats supported: AC3, MP3, WAV, WMA, Compatible products: PC, Mac. HDD capacity: 320 GB. Interface: Hi-Speed USB, IEEE 1394 (FireWire). Weight: 2.58 lbs (1.17 kg), Dimensions (WxDxH): 1.89 x 5.98 x 8.74" (48 x 152 x 222 mm). Cables included: USB