Synology 4-Bay DS925+ DiskStation

CPU Model: AMD Ryzen V1500B
System Memory: 4 GB DDR4 ECC SODIMM
Total Memory Slots: 2
Maximum Memory Capacity: 32  GB (16 GB x 2)\
Drive Bays: 4
Maximum Drive Bays with Expansion Unit: 9  (DX525 x 1)
M.2 Drive Slots: 2 (NVMe)
Drive Type:
3.5" SATA HDD
2.5" SATA SSD
M.2 2280 NVMe SSD
RJ-45 2.5GbE LAN Port: 2
USB 3.2 Gen 1 Port: 2
Warranty: 3-year hardware warranty, extendable to 5 years with EW201 or Extended Warranty Plus