NAS QNAP 435XeU 4-Bay, CPU Marvell 64-bit Octeon TX2 CN9130 / CN9131 quad-core 2.2 GHz, RAM 4GB DDR4 SODIMM (1 slot, max. 32GB), HDD 4 x 2.5″/3.5″ SATA 6Gbps + 2 x M.2 2280 NVMe PCIe Gen3 SSD slots (neincluse), LAN: 2 x 2.5GbE 2 x 10GbE SFP+, US