QNAP TVS-871U-RP-i5-8G-US Diskless System 8 -bay high performance unified storage Port RJ-45: 4 x Gigabit RJ-45 Ethernet port (Expandable up to 8 x 1 Gb LAN or 4 x 10 Gb + 4 x 1 Gb LAN by installing optional dual-port 10 Gb and 1 Gb network card) Port USB: 4x USB 3.0 port (rear) 4x USB 2.0 port (rear) HDD Interface: 8 x SATA (8 x Bay) Form Factor: 8-Bay Processor: Quad-core Intel Core i5-4590S 3.0 GHz Processor Default/ Max. Memory: System memory: 8 GB DDR3 RAM Memory module pre-installed: 4 GB x2 Total memory slots: 4 Memory expandable up to: 32 GB (8GB x4) Note: When upgrading RAM to more than 24GB, the original 4GB RAM modules must be removed. LEDs: Status, 10 GbE, LAN, storage expansion port status Power: HDD Standby: TVS-871U-RP-PT-4G: 70.87 TVS-871U-RP-i3-4G: 69.35 TVS-871U-RP-i5-8G: 80.94 In Operation: TVS-871U-RP-PT-4G: 131.96 TVS-871U-RP-i3-4G: 128.72 TVS-871U-RP-i5-...