HP Media Vault 500 GB Network Attached Storage mv2120 2 Drive Bays/ Accommodates Any 3.5 Inch SATA HDD 2 USB 2.0 Ports/ 1 Front/ 1 Rear/ Gigabit Ethernet Port 500GB/ 7200 RPM SATA Internal Hard Drive Plus One Available Expansion Bay Marvell ARM Processor/ SoC/ 128MB DDR2 DRAM Memory Smart Energy Saving Hard Disk Drive Spin Down and Exceptional Power Consumption