8-bay NAS with AMD Ryzen V1500B, 8 GB DDR4 ECC SODIMM memory and 2 × 2.5 GbE RJ45. Diskless: HDDs and SSDs are sold separately.
Key specifications
- Model: DS1825+
- Chassis: Desktop
- Drive bays: 8
- Supported drives: 3.5″ SATA HDD; 2.5″ SATA SSD
- Processor: AMD Ryzen V1500B
- Cores / threads: 4 / 8
- CPU frequency: 2.2 GHz
- Memory: 8 GB DDR4 ECC SODIMM
- Network ports: 2 × 2.5 GbE RJ45
- USB ports: 3 × USB 3.2 Gen 1
- RAID modes: SHR, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10
- Internal file systems: Btrfs, ext4
- SATA drive hot-swap: Yes
- Dimensions (H × W × D): 166 mm × 343 mm × 243 mm
- Weight: 6.0 kg
- Maximum RAM: 32 GB (16 GB × 2)
- Memory slots: 2
- M.2 slots: 2 × M.2 2280 NVMe SSD
- PCIe: 1 × Gen3 x8 slot (x4 link)
- Expansion: 18 (DX525 × 2); expansion unit sold separately
- Power supply: 250 W
Check Synology’s drive compatibility list before selecting drives. RAID usable capacity depends on installed drives and configuration.
M.2 SSDs are not hot-swappable. M.2 storage pools require Synology-verified SSDs.
USB Type-C ports are dedicated to the DX525 expansion unit.












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