HP StorageWorks D2D 120 Backup System 2TB. Native capacity: 1500 GB. Burst transfer rate: 50 MB/s. Serial interface type: 1Gb iSCSI (Ethernet) - optimal (also supports 100 base-T). Operating relative humidity range: 10 - 90 %, Operating temperature range (T-T): 10 - 35 °C, Storage temperature range (T-T): -40 - 60 °C. Dimensions (WxDxH): 175 x 440 x 370 mm, Weight: 12 kg