QNAP TS-563-2G-US Diskless System 5-Bay AMD 64bit x86-based NAS, Quad Core 2.0GHz, 2GB RAM, 2 x 1GbE, 10G-ready Form Factor: 5-Bay Port USB: 5 x USB 3.0 port (Front: 1, Rear: 4) HDD Interface: 5 x 3.5 or 2.5 SATA 6Gb/s, SATA 3Gb/s hard drive or SSD Processor: AMD x86 G-Series Quad-core 2.0 GHz processor Default/ Max. Memory: System memory: 2GB DDR3 RAM (2GB x 1) Total memory slots: 2 SODIMM Memory expandable up to: 16GB (8GB x 2) LEDs: Status, USB, HDD 1-5 Power: Power Consumption (W) S3 sleep: 2.26W HDD standby: 30.17W In operation: 47.68W (with 5 x 2TB HDDs installed) Power Supply: ATX 250W, 110-240V AC, 50-60 Hz, 5A Temperature: 0°C - 40 °C