Catalogue · Synology
Synology DS925+
SMB / desktop · all-flash / hybrid (ssd + hdd) / disk (hdd) · single controller - 4-bay desktop NAS with dual 2.5GbE and M.2 NVMe slots for small offices, expandable to 9 drives with a DX525.
| Platform | |
|---|---|
| OEM | Synology |
| Family | DiskStation |
| Class | SMB / desktop |
| Architecture | Single controller |
| Status | Current |
| Released | n/a |
| Operating system | DSM 7 |
| Controllers | 1 |
| Nodes | n/a |
| Cache / memory | 32 GB |
| Availability | n/a |
| Capacity and media | |
| Media | All-flash, Hybrid (SSD + HDD), Disk (HDD) |
| Drive types | SATA HDD, SATA SSD, NVMe SSD |
| Drive note | 4 x 3.5-inch SATA HDD or 2.5-inch SATA SSD bays plus 2 x M.2 2280 NVMe slots (cache or storage pool); 4-core AMD Ryzen V1500B; desktop |
| Flash drive sizes | n/a |
| HDD sizes | n/a |
| Maximum drives | 9 |
| Controller enclosure | height n/a, 4 drive bays |
| Expansion | DX525 (5-bay), up to 1 - 5 bays, up to 1 |
| Raw capacity | 216 TB |
| Cluster maximum | n/a |
| Effective maximum | n/a |
| Data reduction | n/a |
| Protection | Synology Hybrid RAID, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10 |
| Protection note | Synology High Availability; Snapshot Replication; immutable snapshots |
| Performance and connectivity | |
| Maximum IOPS | n/a |
| Maximum throughput | 0.6 GB/s |
| Latency | n/a |
| Conditions | SMB sequential read/write with HDD 525/564 MB/s (2.5GbE). Source: Synology Performance page (synology.com/en-global/products/performance): DSM 7.3, FIO, 4 KB random / 1 MB sequential, RAID 6 (12+ bays) or RAID 5 (4-8 bays), fully populated with Synology SSDs (HDD figures: Synology HDDs, DSM 7.2.1), all ports used with the maximum number of Synology 10GbE NICs. Product page: up to 522/565 MB/s sequential read/write; up to 216 TB raw after expansion with 24 TB drives. Power = 37.91 W in access mode. |
| Protocols | SMB / CIFS, NFS, AFP, FTP, iSCSI |
| Fibre Channel | - |
| Ethernet | 3 GbE |
| Host ports | n/a |
| Limits | |
| Volumes / LUNs | 64 |
| File systems | 32 |
| Snapshots | 2,048 |
| Management and support | |
| Management | Synology DiskStation Manager (DSM) web UI |
| Power | 38 W |
| Positioned for | File shares, Backup target, Small business, Video surveillance |
| Warranty | 3-year hardware warranty, extendable to 5 years (EW201 or Extended Warranty Plus) |
| Design terms | Storage pool · iSCSI LUN · iSCSI target (LUN masking) · Snapshot Replication |
| Data services | |
✓ Deduplication
✓ Compression
? Thin provisioning
✓ Snapshots
✓ Clones
✓ Asynchronous replication
? Synchronous replication
? Active-active / metro
✓ Encryption at rest
✓ Immutable snapshots
✓ Ransomware detection
? Quality of service
? Automated tiering
✓ Cloud tiering
? VMware vVols
? Kubernetes CSI
✓ Native file services
? Native object (S3)
? Non-disruptive upgrades
? Scale-out
✓ stated by the OEM · ✕ not offered · ? not stated | |
| Source | |
| Product page | https://www.synology.com/en-global/products/DS925+#specs |
| Datasheet | https://global.synologydownload.com/download/Document/Hardware/DataSheet/DiskStation/25-year/DS925%2B/enu/Synology_DS925%2B_Data_Sheet_enu.pdf |