QNAP VS-5020 VioStor NVR. Total storage capacity: 0 GB, Hard drive capacity: 0 GB, RAID levels: 0, 1, 5, 5+, 6, JBOD. Memory type: DDRII RAM, Internal memory: 1024 MB, Flash memory: 128 MB. Processor model: Celeron, Processor clock speed: 1600 MHz. Supported network protocols: HTTP, TCP/IP, SMTP, DHCP, Static IP, DNS, DDNS, FTP, NTP, UPnP. Power requirements: 110-240V AC, 50/60Hz, Power supply: 250 W