QNAP TS-464eU-8G, 4-bay 1U short depth 12" rackmount NAS, Intel Celeron N5105/N5095 quad-core, burst up to 2.9 GHz; 8GB, 2x2.5GbE,2xm.2 2280, 3Y wty ( No Rail )

1U 4-bay short depth 12" rackmount NAS, Intel® Celeron® N5105/N5095 quad-core, 8GB RAM onboard (not expandable), 4 x 3.5"/2.5" SATA 6Gb/s drive bays, 2 x M.2 PCIe Gen3 x1 slots, 2 x 2.5GbE, 2 x USB 3.2 Gen2 Type-A + 2 x USB 2.0, 1 x 250W PSU