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 (n