This product is either discontinued or we cannot get that from suppliers.
QNAP TS-351-2G Diskless, Intel Celeron J1800 2-core 2.41GHz, up to 2.58GHz, 2GB DDR3L SODIMM RAM (1 x 2GB, 2 DIMMS, max 8GB), 3 x 3.5"/ 2.5" SATA drive slots, 2 x M.2 2280 Gen2 (x1) NVMe PCIe slots, 1 x GbE LAN, USB 3.0/2.0, built-in spesker, HDMI.
30% of QNAP users choose RAID 5 arrays for their NAS to provide higher data protection, better system performance and optimized storage utilization. The 3-bay TS-351 not only allows you to build a RAID 5 array on your NAS with the fewest disks.