Power Power Device: 2 x internal power supply - hot-plug Max Supported Qty: 2 Power Redundancy: Yes Power Redundancy Scheme: N+N Voltage Required: AC 120 / 230 V, 50 / 60 Hz
Expansion / Connectivity Expansion Bays: (24 / 24) 2.5" - hot-swap Interfaces: 2 x SAS 6Gb/s (input), 2 x SAS 6Gb/s (output)