QNAP 1U NAS, TS-432PXU-2G, 4-Bay, AnnapurnaLabs Alpine AL324 64-bit ARM® Cortex-A57 quad-core 1.7GHz processor, Flash Memory: 512 MB, 4 x 3.5″ SATA 6Gb/s, 3Gb/s, 2 x 10GbE SFP+ ethernet ports, 2 GB UDIMM DDR4 (1 x 2 GB), maximum memory 16 GB (1 x 16 GB), 1x PCIe Gen 2 x2 slot, 4x USB 3.2 Gen 1 ports, 1U Rackmount, Power Supply Unit: 250W PSU, 100 – 240V