Synology DS1525+ AMD V1500B (Quad-Core,​ 8 Threads) 2.2 GHz (Base Clock) 8GB DDR4 ECC (Expandable) 5 x 3.5”​/2.5” SATA HDD​/SSD 2 x M.2 NVMe (for SSD cache,​ no storage pool support) 2 x 2.5GbE RJ-45