Edimax Gigabit Fast Ethernet 1-Bay SATA NAS Server . Total storage capacity: 0 GB, Hard drive capacity: 0 GB, Hard drive interface: Serial ATA II. Internal memory: 64 MB, Flash memory: 8 MB. Power requirements: DC 12V, 4A. Operating temperature range (T-T): 0 - 85 °C. Compatible operating systems: Windows 98SE/ME/NT/2000/2003/XP/Vista Mac OS X Linux