NetApp AFF A400
The NetApp AFF A400 is an enterprise midrange all-flash array featuring hardware-accelerated data reduction and native end-to-end NVMe protocol support. In a 4U dual-controller enclosure, it integrates dedicated offload hardware for compression and deduplication, freeing CPU cores for workload IOPS and low-latency storage services.
Specifications
| Brand | NetApp |
|---|---|
| Family | AFF A-Series |
| Form factor | 4U rack |
| Released | Feb 2020 |
| End of sale | May 2024 |
| End of support | May 2029 |
| Controller configuration | Dual controllers in 4U enclosure |
| Processor | Intel Xeon processors with dedicated crypto/compression offload engines |
| Memory | 256GB system memory per HA pair with NVRAM |
| Drive bays | Connects to NS224 NVMe drive shelves and DS224C SAS drive shelves |
| Supported drives | NVMe TLC SSDs (1.9TB to 15.3TB) and 12Gb SAS SSDs (960GB to 15.3TB) |
| Maximum raw capacity | Up to 140PB in a 24-node cluster |
| Host connectivity | PCIe slots supporting 100GbE, 25GbE, 10GbE, 32Gb FC, and 16Gb FC |
| Storage protocols | NVMe/FC, NVMe/TCP, FC, iSCSI, NFS, SMB |
| Clustering | Up to 24 nodes (12 HA pairs) |
| Management | NetApp ONTAP 9 |
Generations
- Previous generation: NetApp AFF A300
- Next generation: NetApp AFF A70
Compatible parts
Cables
X6562-R6 NetApp X6562-R6 Cat 6 RJ-45 Ethernet cable, 5 m
X6585-R6 NetApp X6585-R6 Cat 6 RJ-45 Ethernet cable, 3 m
X66030A NetApp X66030A storage cable, 0.5 m
X66031A NetApp X66031A storage cable, 1 m
X66032A NetApp X66032A storage cable, 2 m
X66033A NetApp X66033A storage cable, 3 m
X66211A-05 NetApp X66211A-05 100 GbE cable, 0.5 m
X66211A-1 NetApp X66211A-1 100 GbE cable, 1 m
X66211A-2 NetApp X66211A-2 100 GbE cable, 2 m
X66211A-5 NetApp X66211A-5 100 GbE cable, 5 m
X66240-2 NetApp X66240-2 25 GbE cable, 2 m
X66240-5 NetApp X66240-5 25 GbE cable, 5 m
X66250-15 NetApp X66250-15 Fibre Channel optical cable, 15 m
X66250-2 NetApp X66250-2 Fibre Channel optical cable, 2 m
X66250-5 NetApp X66250-5 Fibre Channel optical cable, 5 m
Check compatibility with NetApp
Before you buy, confirm the exact configuration against the vendor's own lists: firmware levels, operating systems, adapters and optics that NetApp has tested with the NetApp AFF A400.
- Compatibility NetApp Interoperability Matrix Tool (IMT) (free vendor sign-in)
- Specifications NetApp Hardware Universe (platform specs and supported parts)
- Support NetApp Support
Equivalent models from other brands
FAQ
Can the AFF A400 connect to both NVMe and SAS expansion shelves?
Yes, the AFF A400 supports both 100GbE RoCE-connected NS224 NVMe shelves and 12Gb SAS-connected DS224C shelves.
What hardware acceleration is built into the AFF A400?
The AFF A400 incorporates dedicated hardware offload engines for inline compression and SHA-256 deduplication hashing.
Buying or selling AFF A400?
New, refurbished or used. Tell us the quantity and condition and we connect you with a vetted reseller in your region, usually within one working day.
Sources
- NetApp AFF A400 Documentation, checked 2026-10-28
- NetApp Hardware Universe - AFF A400 Specifications, checked 2026-10-28
- Install an AFF A400 system using detailed step-by-step instructions, checked 2026-10-28