Catalogue · Synology
Synology FS6400
Midrange · all-flash · single controller - 2U 24-bay all-flash server with dual Xeon CPUs aimed at post-production, VMs, OLTP and database workloads, expandable to 72 SSDs.
| 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 | 512 GB |
| Availability | n/a |
| Capacity and media | |
| Media | All-flash |
| Drive types | SAS SSD, SATA SSD, SAS HDD (10K/15K) |
| Drive note | 24 x 2.5-inch SAS HDD/SSD or SATA SSD bays; dual Intel Xeon Silver 4110 |
| Flash drive sizes | n/a |
| HDD sizes | n/a |
| Maximum drives | 72 |
| Controller enclosure | 2U, 24 drive bays |
| Expansion | FX2421 (24-bay, up to 2 for 72 drives); RX1222sas also listed as optional - 24 bays, up to 2 |
| Raw capacity | n/a |
| Cluster maximum | n/a |
| Effective maximum | n/a |
| Data reduction | Volume-wide deduplication; Synology claims up to 65% space savings for VDI/VM data |
| Protection | RAID F1, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10 |
| Protection note | Synology High Availability (active-passive cluster of two units); Snapshot Replication; redundant PSUs; RAID F1 for flash endurance |
| Performance and connectivity | |
| Maximum IOPS | 661,424 |
| Maximum throughput | 7.1 GB/s |
| Latency | 684 µs |
| Conditions | iSCSI 4K random read/write 661,424/205,058 IOPS; NFS 4K random read/write 513,930/190,982 IOPS; SMB sequential read/write with SSD 7,090/7,083 MB/s; iSCSI latency 0.68 ms at 80% of peak IOPS (NFS 0.38 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 10GbE NICs. Product page: over 240,000 iSCSI 4K random write IOPS (datasheet: over 215,000). Power = 288.49 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 | 256 |
| Snapshots | 65,536 |
| Management and support | |
| Management | Synology DiskStation Manager (DSM) web UI |
| Power | 288 W |
| Positioned for | Media & entertainment, Virtualization, Databases, VDI |
| 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/FS6400#specs |
| Datasheet | https://global.synologydownload.com/download/Document/Hardware/DataSheet/FlashStation/20-year/FS6400/enu/Synology_FS6400_Data_Sheet_enu.pdf |