Seagate FreeAgent Theater +. Supported file systems: FAT32, HFS+, NTFS. Image formats supported: BMP, GIF, PNG, Video compression formats: AVI, MKV, MOV, Subtitle formats supported: SRT, SUB. Weight: 0.5 kg. Minimum RAM: 256 MB. Data transfer rate: 10 Mbit/s, Dimensions (WxDxH): 183 x 175 x 30 mm, Compatible operating systems: Windows XP/Vista/7 Mac X 10.4.11/10.5.6