Synology DiskStation DS1522+ 5Bays NAS(Up to 15Bays), RAM 8GB(Up to 32GB),Built-in M.2 Drive 2Slots

-CPU Model: AMD Ryzen R1600
-CPU Quantity: 1
-CPU Architecture: 64-bit
-CPU Frequency: 64-bit
-CPU Frequency: 2-core 2.6 (base) / 3.1 (turbo) GHz
-System Memory: 8 GB DDR4 ECC SODIMM
-Total Memory Slots: 2
-Maximum Memory Capacity: 32 GB (16 GB x 2)
-Drive Bays: 5
-Maximum Drive Bays with Expansion Unit: 15 (DX517 x 2)
-M.2 Drive Slots: 2 (NVMe)
-Compatible Drive Type: 3.5" SATA HDD,2.5" SATA SSD,M.2 2280 NVMe SSD
-RJ-45 1GbE LAN Port: 4 (with Link Aggregation / Failover support)
-USB 3.2 Gen 1 Port: 2
-eSATA Port: 1
-PCIe Expansion: 1 x Gen3 x2 network upgrade slot
-Warranty: 3Years