QNAP TS-559 Pro+/5TB NAS. Total storage capacity: 5000 GB, Hard drive capacity: 1000 GB, Hard drive rotational speed: 7200 RPM. Memory type: DDR 2 RAM, Internal memory: 1000 MB, Flash memory: 512 MB. Processor model: Intel Atom. Cabling technology: RJ-45, Data transfer rate (max): 1000 Mbit/s. Power requirements: 100-240V AC, 50/60Hz, Power consumption (typical): 44 W, Power consumption (sleep mode): 22 W