Origin Storage Thecus 4500R 1U 4Bay Rackmount NAS 6TB. Total storage capacity: 6000 GB, Hard drive capacity: 1500 GB, RAID levels: 0, 1, 5, 6, 10. Networking features: Gigabit Ethernet, Data transfer rate (max): 100 Mbit/s. Power requirements: 110/220V. Operating temperature range (T-T): 0 - 40 °C. Compatible operating systems: Windows 2000 / XP / 2003 MAC OS X