Synology DiskStation DS923+ 4 Bays

-CPU Model : AMD Ryzen R1600

-CPU Frequency : 2-core 2.6 (base) / 3.1 (turbo) GHz

-System Memory : 4GB DDR4 ECC

-Memory Module Pre-installed: 4 GB (4 GB x 1)

-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