Synology DX510. Total storage capacity: 10000 GB, RAID levels: 0/1/5/6/10, Hard drive interface: Serial ATA. Power requirements: 100-240V, Power consumption (typical): 59 W. Operating relative humidity range: 5 - 95 %, Operating temperature range (T-T): 5 - 35 °C, Storage temperature range (T-T): -10 - 70 °C. Certification: FCC: Class B, CE: Class B, BSMI: Class B. Dimensions (WxDxH): 248 x 233 x 157 mm