Technical Information: Product Name 2BAY 8CH 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 60W Processor Intel 1.6GHz Protocols FTPCIFS/SMBHTTPTCP/IPSMTPDHCPDNSDDNSNTPUPnP RAID Levels 01JBOD Standard Memory 1GB DDR2 SDRAM Dimensions 150 Height x 102 Width x 216 Depth Interfaces/Ports 2 x RJ-45 - Network2 x 7-pin - eSATA3 x USB 2.0 - USB Software Included QNAP Finder Software Bays 2 x 3.5" Hot-swappable Total2 x 3.5" Hot-swappable Free Input Voltage 110 V AC to 240 V AC Product Model VS-2008 Product Line VioStor Operating System Linux Processor Speed 1.6GHz Additional Information Flash Memory: 128MB