Qnap Ts-869u-Rp Internal Fan (31100-000314-RS) - CPU: Intel Atom 2.13GHz Dual-Core Processor, DRAM: 2GB RAM (Expandable RAM, up to 3GB), Flash Memory: 512MB DOM, Hard Disk Drive: 8 x 3.5" or 2.5" SATA 6Gb/s, SATA 3Gb/s hard drive or SSD, Hard Disk Tray: 8 x Hot-Swappable and Lockable Tray, LAN Port: 2 x Gigabit RJ-45 Ethernet Ports, Connectivity: 2 x USB 3.2 Gen 1 port (Back: 2), 4 x USB 2.0 port (Back: 4), eSATA: 2 x eSATA port (Back), Form Factor: 2U, Rackmount, Dimensions: 89 (H) x 482 (W) x 534 (D) mm, Gross weight: 19.26 kg (42.46 lbs), Power Consumption (W) Sleep mode: 56.6W, In Operation: 74.7W, Power Supply Input: 100-240V AC, 50/60Hz, Output: Redundant 300W, VGA: Reserved VGA interface for maintenance, Fan: 2 x quiet cooling fan (7 cm, 12V DC)