Atlantis Land DiskMaster NAS G303S. Size: 88.9 mm (3.5 "), Hard drive interface: Serial ATA. Compatible operating systems: Microsoft Windows 98SE/ME/NT4/2000 SP4/XP SP2/2003/VISTA MAC OS Linux, Minimum processor: 1 GHz, Minimum RAM: 512 MB. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -10 - 60 °C, Relative humidity: 10 - 85 %. Colour of product: Black. Weight: 0.7 kg, Width: 205 mm, Depth: 40 mm