Synology DiskStation DS1821+ 8-bay NAS​ (Up to 18Bays), RAM 4GB(up to 32GB) ​​Built-in M.2 Drive 2Slots

- CPU Model: AMD Ryzen V1500B
- CPU Frequency: 4
- Core 2.2 GHz
- System Memory: 4 GB DDR4 ECC SODIMM (Up to 32GB)
- Total Memory Slots: 2
- Drive Bays: 8Bays (Up to 18Bays)
- Built-in M.2 Drive Slots: 2 (NVMe)
- Compatible Drive Type* : 3.5" SATA HDD, 2.5" SATA HDD,2.5"
- SSD,M.2 2280 NVMe SSD
- 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)
- Warranty: 3Years