QNAP TVS-871T-i5-16G-US High-performance Thunderbolt 2 Turbo vNAS for a DAS / NAS / iSCSI SAN triple solution Form Factor: 8-Bay Port RJ-45: 2 x 10 Gigabit Ethernet port (10 GBased-T) 4 x 1 Gigabit Ethernet port Port USB: 3 x USB 3.0 port ( front: 1, rear: 2) 2 x USB 2.0 port (rear) HDD Interface: 8 x 3.5or 2.5 SATA 6 Gb/s, SATA 3 Gb/s hard drive or SSD Processor: Quad-core Intel Core i5-4590S 3.0 GHz Default/ Max. Memory: System memory: 16 GB DDR3 RAM Memory module pre-installed: 8 GB x 2 Total memory slots: 2 SODIMM LEDs: Status, USB, LAN, HDDs Power: Power Consumption (W): HDD Standby: 45.43 In Operation: 82.06 Power Supply : ATX Input: 100-240V AC, 50 / 60Hz Output: 350W