Synology DiskStation DS923+ 4 Bays NAS(Up to 9Bays), RAM 4GB (Up to 32GB) ,Built-in M.2 Drive 2Slots

-CPU Model : AMD Ryzen R1600
-CPU Frequency : 2-core 2.6 (base) / 3.1 (turbo) GHz
-System Memory : 4 GB DDR4 ECC
-Total Memory Slots : 2
-Maximum Memory Capacity: 32 GB (16 GB x 2)
-Drive Bays: 4
-Maximum Drive Bays with Expansion Unit: 9 (DX517 x 1)
-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*: 2 (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