Technical Information: Product Name 5BAY 12CH Ip Camera NVR Security Celeron 1.6G Processor Product Type Network Storage Server Form Factor Tower Hard Drive Not Included Network Cards Gigabit Ethernet IEEE 802.3ab 10/100/1000Mbps RJ-45 Power Supply 250W Processor Intel Celeron 1.6GHz Protocols FTPCIFS/SMBHTTPTCP/IPSMTPDHCPDNSDDNSNTPUPnP RAID Levels 0155+Hot Spare66+Hot SpareJBOD Standard Memory 1GB DDR2 SDRAM Dimensions 261.1 Height x 188.5 Width x 261.1 Depth Interfaces/Ports 2 x RJ-45 - Network1 x 7-pin - eSATA5 x USB 2.0 - USB1 x RS-232 - SerialVGA Software Included QNAP Finder Software Bays 5 x 3.5" Hot-swappable Total5 x 3.5" Hot-swappable Free Input Voltage 110 V AC to 240 V AC Product Model VS-5012 Product Line VioStor Operating System Linux Processor Type Celeron Processor Speed 1.6GHz Additional Information Flash Memory: 128MB