QNAP TS-863U-RP-4G-US High performance quad-core 10GbE NAS with redundant power supplies, 4GB RAM Port RJ-45: 4 x 10/100/1000M Port USB: 2 x USB3.0 + 2 x USB2.0 HDD Interface: 8 x 2.5 or 3.5 SATA 6 Gb/s, 3 Gb/s Form Factor: 2U Rackmount Processor: Quad-core 64-bit AMD 2.0 GHz Default/ Max. Memory: 4GB DDR3L (4GB x 1) LEDs: HDD 1-8, Status, LAN, USB, Power Power: Power Supply: Redundant 250W, Input: 110-240 V AC , 50-60Hz, 5A Power Consumption: (W) HDD Sleep Mode: 51.29 (w/ 10 GbE NIC) In Operation: 107.30 (w/ 10 GbE NIC)