Catalogue · DataDirect Networks
DDN AI400X2
High-end · all-flash · scale-out - Previous-generation 2U all-NVMe EXAScaler appliance for AI and HPC, superseded by the Turbo and AI400X3 models.
| Platform | |
|---|---|
| OEM | DataDirect Networks |
| Family | EXAScaler AI400X2 |
| Class | High-end |
| Architecture | Scale-out cluster |
| Status | Legacy / superseded |
| Released | n/a |
| Operating system | DDN EXAScaler (EXA6) |
| Controllers | n/a |
| Nodes | n/a |
| Cache / memory | n/a |
| Availability | n/a |
| Capacity and media | |
| Media | All-flash |
| Drive types | NVMe SSD |
| Drive note | 24 x 2.5in dual-port NVMe SSDs; 30/60/120/250/500TB usable configurations. Same SFA400X2 platform is sold as EXAScaler ES400NVX2, which also supports hybrid expansion (up to 120 QLC or 900 SAS drives). |
| Flash drive sizes | n/a |
| HDD sizes | n/a |
| Maximum drives | n/a |
| Controller enclosure | 2U, 24 drive bays |
| Expansion | n/a |
| Raw capacity | n/a |
| Cluster maximum | n/a |
| Effective maximum | n/a |
| Data reduction | n/a |
| Protection | DCR RAID 6 (8+2), DCR RAID 6 (4+2), DCR RAID 5 (8+1), DCR RAID 5 (4+1), DCR RAID 1 (1+1) |
| Protection note | Active/active storage controllers; DeClustered RAID (DCR) erasure-coding schemas; end-to-end data integrity (T10-DIF); encryption in flight and at rest; quotas and multi-tenancy. File access through the EXAScaler (Lustre) client over InfiniBand or Ethernet, plus NFS, SMB and S3 per the EXAScaler family datasheet. |
| Performance and connectivity | |
| Maximum IOPS | 3,000,000 |
| Maximum throughput | 90 GB/s |
| Latency | n/a |
| Conditions | Per appliance: up to 90GB/s sequential read, 65GB/s write, 3M IOPS. Raw capacity not published (usable 30-500TB). 8 x 200Gb HDR InfiniBand or 200GbE host ports. 2RU; 2.2kW and 7.5K BTU/h per the 2024 A3I datasheet. Product URL now redirects to the AI400X2 Turbo page. |
| Protocols | InfiniBand / RDMA file, NFS, SMB / CIFS, S3 object |
| Fibre Channel | - |
| Ethernet | 200 GbE |
| Host ports | 8 |
| Limits | |
| Volumes / LUNs | n/a |
| File systems | n/a |
| Snapshots | n/a |
| Management and support | |
| Management | EXAScaler Management Framework (EMF) |
| Power | 2,200 W |
| Positioned for | AI / ML, HPC, Analytics |
| Warranty | n/a |
| Design terms | OST pool · LUN · Host group · Asynchronous 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.ddn.com/wp-content/uploads/2024/09/ddn-a3i-data-sheet-2024-rebrand-v4-1.pdf |
| Datasheet | https://www.ddn.com/wp-content/uploads/2024/08/ddn-sfa400nvx2-sfa200nvx2-data-sheet-2023.pdf |