Model number TS-863XU-RP-4G (QNAP model number TS-863XU-RP-4G) CPUs AMD G Series GX-420MC Quad Core 2.0GHz Encryption engine AES-NI Memory Slot 2 x SODIMM DDR3L Standard 4GB (1 x 4GB), Maximum 16GB (2 x 8GB) *Cannot be used in combination with different capacities of memory. flash 512MB DOM drive bay 8 x 3.5”/2.5” SATA 6Gb/s HDD/SSD, hot-swappable, SSD cache acceleration supported LAN port 4 x 1GbE (RJ-45), 1 x 10GbE (RJ-45, supports 10G/5G/2.5G/1G/100M) USB port 2 x USB 3.2 Gen.1 (Type-A), 2 x USB 2.0 (Type-A) PCIe expansion slots 1 x PCIe 2.0 x4 (1-port 10GBASE-T network card installed) Audio Alarm buzzer LED indicator System Status, USB, LAN, Drive 1-8 Buttons Power, Reset External size Rack mount 2U 89(H) x 482(W) x 534(D)mm Weight Body weight 12.64 kg (without HDD) Power supply unit Input 2 x 100-240 V AC 50-60 Hz, Output 2 x 250 W * The included power cable is for 100V. Please prepare separately when using at 200V. Power Consumption 51.29 W in HDD sleep, 107.30 W in normal operation Fans 2 x 7 cm smart fan Operating ambient temperature 0 - 40℃ Operating Ambient Humidity 5 - 95% (non-condensing), wet bulb temperature 27°C Noise level 36.4dB(A) Included Items NAS main unit, LAN cable (RJ45) x 2, power cable x 2, 3.5 inch drive screws x 32, 2.5 inch drive screws x 24, rack mount rail kit (RAIL-B02), quick installation guide< /td> Warranty period 3 years for stand-alone models, 5 years for near-line models with HDD, 3 years for middle class Maintenance service information