Catalogue · iXsystems (TrueNAS)
TrueNAS H20
Entry · all-flash / hybrid (ssd + hdd) · dual controller - Mid model of the power-efficient H-Series: 2U HA unified storage for VMs, media and surveillance with optional 100 GbE.
| Platform | |
|---|---|
| OEM | iXsystems (TrueNAS) |
| Family | H-Series |
| Class | Entry |
| Architecture | Dual controller (HA pair) |
| Status | Current |
| Released | n/a |
| Operating system | TrueNAS Enterprise |
| Controllers | 2 |
| Nodes | n/a |
| Cache / memory | 256 GB |
| Availability | n/a |
| Capacity and media | |
| Media | All-flash, Hybrid (SSD + HDD) |
| Drive types | NL-SAS HDD, SAS SSD, NVMe SSD |
| Drive note | NVMe support in every bay. NL-SAS 8-26 TB; SAS3 SSD 1.9-15.36 TB; NVMe SSD 3.8-61.4 TB (range endpoints published); SED/FIPS options. H20: 2x 3.2 TB NVMe read cache. |
| Flash drive sizes | 1.9, 3.8, 15.36, 61.4 TB |
| HDD sizes | 8, 26 TB |
| Maximum drives | 114 |
| Controller enclosure | 2U, 12 drive bays |
| Expansion | 1x ES24 (4U, 24), ES60 (4U, 60) or ES102 (4U, 102 bays) - 102 bays, 4U, up to 1 |
| Raw capacity | 3 PB |
| Cluster maximum | n/a |
| Effective maximum | 6 PB |
| Data reduction | Effective capacity per OEM assumes typical compression + deduplication; OEM cites data reduction typically exceeding 2.5x. Deduplication on select hardware configurations. |
| Protection | Stripe, Mirror, RAID-Z1, RAID-Z2, RAID-Z3, dRAID |
| Protection note | OpenZFS self-healing (checksums, scrub, bit-rot repair); immutable snapshots; global hot spares; SED/FIPS 140 drive options with local or KMIP key management. |
| Performance and connectivity | |
| Maximum IOPS | n/a |
| Maximum throughput | 4 GB/s |
| Latency | n/a |
| Conditions | 3 PB raw hybrid (6 PB effective); all-NVMe max 360 TB raw / 720 TB effective. RAM per controller 128-256 GB. Product page lists 2x 16 Gb or 2x 32 Gb FC (data sheet 2x 16 Gb). Power: 350 W peak, 300 W average. NVMe-oF is listed for H-Series without naming the transport. |
| Protocols | SMB / CIFS, NFS, FTP, iSCSI, Fibre Channel, S3 object |
| Fibre Channel | 32 Gb |
| Ethernet | 100 GbE |
| Host ports | n/a |
| Limits | |
| Volumes / LUNs | n/a |
| File systems | n/a |
| Snapshots | n/a |
| Management and support | |
| Management | TrueNAS web UI, TrueCommand |
| Power | 350 W |
| Positioned for | Virtualization, Media & entertainment, Video surveillance, File shares, Backup target, Edge / ROBO, Small business |
| Warranty | n/a |
| Design terms | ZFS pool · zvol (iSCSI extent) · iSCSI target + initiator group · ZFS replication task |
| 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.truenas.com/h-series/ |
| Datasheet | https://www.truenas.com/wp-content/uploads/2026/09/TrueNAS_H-Series_Data_Sheet_September_2026.pdf |