Hitachi Virtual Storage Platform VSP E590 vs Pure Storage FlashArray //X20
Side-by-side specifications from the vendors' own documents. The Hitachi Virtual Storage Platform (VSP) E590 is a 2U all-NVMe enterprise storage array designed for midmarket enterprises. The Pure Storage FlashArray //X20 was a 3U enterprise all-NVMe storage array designed to consolidate virtual machines, virtual desktops, and transaction databases.
| Hitachi Virtual Storage Platform VSP E590 | Pure Storage FlashArray //X20 | |
|---|---|---|
| Brand | Hitachi | Pure Storage |
| Status | current | end-of-sale |
| Released | Oct 2020 | May 2018 |
| Form factor | 2U rack | 3U rack |
| Form factor | 2U rack | — |
| Controllers | Dual active-active | — |
| Cache memory | 128GB | — |
| Max drives | 24 NVMe U.2 (expands to 216 with SAS shelves) | — |
| Host interfaces | 32Gb FC, 25Gb/10Gb iSCSI, NVMe-oF | — |
| Max raw capacity | 368TB internal NVMe | — |
| Controller configuration | — | Dual active-active controllers in 3U enclosure |
| Operating system | — | Pure Storage Purity//FA |
| Raw capacity | — | Up to 263TB raw with DirectFlash shelf expansion |
| Effective capacity | — | Up to 800TB effective with inline data reduction |
| Drive media | — | DirectFlash Modules (4.5TB, 9.1TB, 18.2TB) |
| Connectivity | — | 16Gb/32Gb FC, 10GbE/25GbE iSCSI, and NVMe-oF (RoCEv2) |
| Nvram | — | Dual internal NVRAM modules |
| Data reduction | — | Inline deduplication and LZ4/Huffman compression |
| Management | — | Pure1 and Purity GUI |
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