Catalogue · Synology
Synology UC3400
Midrange · all-flash / hybrid (ssd + hdd) / disk (hdd) · dual controller - 2U 12-bay active-active dual-controller iSCSI/Fibre Channel SAN for virtualization and mission-critical block workloads.
| Platform | |
|---|---|
| OEM | Synology |
| Family | Unified Controller |
| Class | Midrange |
| Architecture | Dual controller (HA pair) |
| Status | Current |
| Released | n/a |
| Operating system | DSM UC 3 |
| Controllers | 2 |
| Nodes | n/a |
| Cache / memory | 128 GB |
| Availability | n/a |
| Capacity and media | |
| Media | All-flash, Hybrid (SSD + HDD), Disk (HDD) |
| Drive types | SAS SSD, NL-SAS HDD |
| Drive note | 12 bays for 2.5-inch dual-port SAS SSD or 3.5-inch dual-port SAS HDD; Xeon D-1541 per controller; SED support |
| Flash drive sizes | n/a |
| HDD sizes | n/a |
| Maximum drives | 36 |
| Controller enclosure | 2U, 12 drive bays |
| Expansion | RXD1219sas (12-bay dual-path), up to 2 - 12 bays, up to 2 |
| Raw capacity | 576 TB |
| Cluster maximum | n/a |
| Effective maximum | n/a |
| Data reduction | n/a |
| Protection | Basic, JBOD, RAID F1, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10 |
| Protection note | Active-active dual controllers; Snapshot Replication with application-aware LUN snapshots; self-encrypting drive support; redundant PSUs |
| Performance and connectivity | |
| Maximum IOPS | 699,668 |
| Maximum throughput | n/a |
| Latency | n/a |
| Conditions | iSCSI 4K random read/write 699,668/189,350 IOPS per Synology Performance page (DSM UC 3.1, FIO, 4 KB, thin LUN, RAID 6, fully populated with Synology SSDs). Product page: over 199K random write IOPS over FC and 189K over iSCSI; 4K random mixed over 455K IOPS (FC) / 374K (iSCSI). Height 88 mm (2U). Memory 64 GB max per controller (128 GB per system). Power = 239.25 W in access mode. |
| Protocols | iSCSI, Fibre Channel |
| Fibre Channel | 16 Gb |
| Ethernet | 25 GbE |
| Host ports | n/a |
| Limits | |
| Volumes / LUNs | 128 |
| File systems | 32 |
| Snapshots | 4,096 |
| Management and support | |
| Management | DSM UC web UI |
| Power | 239 W |
| Positioned for | Virtualization, Databases, Mission-critical |
| 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/UC3400#specs |
| Datasheet | https://global.synologydownload.com/download/Document/Hardware/DataSheet/IP%20SAN/23-year/UC3400/enu/Synology_UC3400_Data_Sheet_enu.pdf |