Thecus 8TB 4500R 1U NAS. Total storage capacity: 8000 GB, Hard drive capacity: 2000 GB, RAID levels: 0, 1, 5, 6, 10, JBOD. Compliance industry standards: 802.3ad, Supported network protocols: CSFS / SMB, AFP 3, HTTP/HTTPS, NFS v3, FTP, Data transfer rate (max): 1000 Mbit/s. Power requirements: 100-240VAC, 50/60 Hz. Operating relative humidity range: 0 - 85 %, Operating temperature range (T-T): 0 - 40 °C. Compatible operating systems: Windows 2000/XP/2003/MAC OS X