Origin Storage Thecus i5500 High Performance iSCSI SAN 7.5TB. Total storage capacity: 7500 GB, Hard drive capacity: 1500 GB, RAID levels: 0, 1, 0+1, 3, 5, 6, 10, JBOD. Memory type: DDR, Internal memory: 512 MB. Processor model: IOP80331. Networking features: Fast Ethernet. Operating relative humidity range: 20 - 90 %, Operating temperature range (T-T): 10 - 35 °C, Storage temperature range (T-T): -10 - 50 °C