Overland Storage REO 4500c. Native capacity: 500 GB. Standard interfaces: iSCSI. Power requirements: 100 - 240 VAC, 47 - 63 Hz. Operating relative humidity range: 20 - 80 %, Operating temperature range (T-T): 10 - 40 °C, Storage temperature range (T-T): -40 - 60 °C. Dimensions (WxDxH): 444 x 736 x 89 mm, Weight: 27.2 kg