Catalogue · Synology
Synology FS3420
Midrange · all-flash · single controller - 2U 24-bay SATA all-flash NAS/SAN for high-IOPS virtualization and file workloads, with PCIe 4.0 slots for 25GbE or Fibre Channel.
| Platform | |
|---|---|
| OEM | Synology |
| Family | FlashStation |
| Class | Midrange |
| Architecture | Single controller |
| Status | Current |
| Released | n/a |
| Operating system | DSM 7 |
| Controllers | 1 |
| Nodes | n/a |
| Cache / memory | 192 GB |
| Availability | n/a |
| Capacity and media | |
| Media | All-flash |
| Drive types | SATA SSD |
| Drive note | 24 x 2.5-inch SATA SSD bays; 8-core Xeon D-1739 |
| Flash drive sizes | n/a |
| HDD sizes | n/a |
| Maximum drives | 24 |
| Controller enclosure | 2U, 24 drive bays |
| Expansion | n/a |
| Raw capacity | 168 TB |
| Cluster maximum | n/a |
| Effective maximum | n/a |
| Data reduction | Volume-wide deduplication on all-flash; Synology claims up to 65% higher storage efficiency for VDI/VM data |
| Protection | RAID F1, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10 |
| Protection note | Synology High Availability; Snapshot Replication; WORM immutable snapshots and WriteOnce folders; redundant PSUs; out-of-band management |
| Performance and connectivity | |
| Maximum IOPS | 478,762 |
| Maximum throughput | 11.8 GB/s |
| Latency | 474 µs |
| Conditions | iSCSI 4K random read/write 478,762/169,837 IOPS; NFS 4K random read/write 446,283/161,120 IOPS; SMB sequential read/write with SSD 11,815/5,383 MB/s; iSCSI latency 0.47 ms at 80% of peak IOPS (NFS 0.35 ms). 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 25GbE NICs. Product page: over 169,000 random write IOPS; up to 168 TB raw. Power = 122.0 W in access mode. |
| Protocols | SMB / CIFS, NFS, AFP, FTP, iSCSI, Fibre Channel |
| Fibre Channel | - |
| Ethernet | 25 GbE |
| Host ports | n/a |
| Limits | |
| Volumes / LUNs | 512 |
| File systems | 32 |
| Snapshots | 65,536 |
| Management and support | |
| Management | Synology DiskStation Manager (DSM) web UI |
| Power | 122 W |
| Positioned for | Virtualization, VDI, Containers, File shares |
| Warranty | 5 years |
| 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/FS3420#specs |
| Datasheet | https://global.synologydownload.com/download/Document/Hardware/DataSheet/FlashStation/26-year/FS3420/enu/Synology_FS3420_Data_Sheet_enu.pdf |