Synology DS1525 5-Bay CPU Model: AMD Ryzen V1500B CPU Cores: 4 CPU Frequency: 2.2 GHz System Memory: 8 GB DDR4 ECC SODIMM Total Memory Slots: 2 Maximum Memory Capacity: 32 GB (16 GB x 2) M.2 Drive Slots: 2x NVMe Drive Supported: 3.5" SATA HDD, 2.5" SATA SSD, M.2 2280 NVMe SSD RJ-45 2.5GbE LAN Port x2 USB 3.2 Gen 1 Port x1 PCIe Expansion: 1x Gen3x2 network upgrade slot Size (Height x Width x Depth): 166 mm x 230 mm x 223 mm Packaging Content: Main Unit X 1, Accessory Pack X 1, AC Power Adapter X 1. AC Power Cord X 1, RJ-45 LAN Cable X 2