Qnap 8 Bay 2u Nas 1.7ghz 4 Core Alpine Al-324 Processor (TS-832PXU-4G) - CPU: AnnapurnaLabs Alpine AL324 64-bit ARM® Cortex-A57 quad-core 1.7GHz processor, CPU Architecture: 64-bit ARM, System Memory: 4 GB UDIMM DDR4 (1 x 4 GB), Maximum Memory: 16 GB (1 x 16 GB), Memory Slot: 1 x Long-DIMM DDR4, Flash Memory: 512 MB (Dual boot OS protection), USB 3.2 Gen 1 port: 4, Form Factor: 2U Rackmount, Buttons: Power, Reset, Dimensions (HxWxD): 89 × 482 × 534 mm, Power Supply Unit:250W (x2) PSU, 100 - 240V, Power Consumption: Operating Mode, Typical: 69.191 W, Fan: 2 x 70mm, 12VDC