DiskStation DS1821+

CPU Model: AMD Ryzen V1500B, 64-bit, 4-core 2.2 GHz 
System Memory: 4 GB DDR4 ECC SODIMM 
Total Memory Slots: 2 (Upto 32GB, 16GB x 2) 
Drive Bays: 8 Hot Swappable
M.2 Drive Slots: 2 (NVMe) 
RJ-45 1GbE LAN Port: 4 (with Link Aggregation / Failover support) 
USB 3.2 Gen 1 Port: 4 
eSATA Port: 2 
PCIe Expansion: 1 x Gen3 x8 slot (x4 link) 
Power Supply Unit / Adapter: 250 W 
Warranty: 3 Years

Description