Archos MM ARCHOS MP4 AV4100 100Gb. Image formats supported: BMP, JPEG, Video compression formats: MPEG-4, Audio formats supported: ADPCM, mp3, WAV, WMA. Weight: 0.32 kg. Minimum hard disk space: 100000 MB, Minimum RAM: 64 MB, Minimum processor: Pentium III 800 MHz. Dimensions (WxDxH): 1250 x 780 x 260 mm, Compatible operating systems: Windows 98 SE, ME, 2000, XP., Connectivity technology: Wired