QNAP VS-8040 VioStor NVR. Total storage capacity: 0 GB, Hard drive capacity: 0 GB, Hard drive interface: Serial ATA II. Memory type: DDRII RAM, Internal memory: 2048 MB. Processor model: Core 2 Duo, Processor clock speed: 2800 MHz. Power requirements: 100-240 V, 47-63Hz, 6A-2.8A, Power consumption (typical): 81 W. Weight: 9.8 kg