Hitachi Virtual Storage Platform VSP E790 vs NetApp AFF A400
Side-by-side specifications from the vendors' own documents. The Hitachi Virtual Storage Platform (VSP) E790 is a high-performance 2U NVMe all-flash storage system equipped with dual controllers and 256GB cache memory. The NetApp AFF A400 is an enterprise midrange all-flash array featuring hardware-accelerated data reduction and native end-to-end NVMe protocol support.
| Hitachi Virtual Storage Platform VSP E790 | NetApp AFF A400 | |
|---|---|---|
| Brand | Hitachi | NetApp |
| Status | current | end-of-sale |
| Released | Oct 2020 | Feb 2020 |
| Form factor | 2U rack | 4U rack |
| Form factor | 2U rack | — |
| Controllers | Dual active-active | — |
| Cache memory | 256GB | — |
| Max drives | 24 NVMe U.2 (expands to 216 drives) | — |
| Host interfaces | 32Gb FC, 25Gb/10Gb iSCSI, NVMe-oF | — |
| Max raw capacity | 368TB internal NVMe | — |
| 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 |
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