IBM FlashSystem 5035 vs Pure Storage FlashArray //X10
Side-by-side specifications from the vendors' own documents. The IBM FlashSystem 5035 is an expandable 2U midrange storage system equipped with dual controllers and 64GB cache memory. The Pure Storage FlashArray //X10 is an entry enterprise all-flash NVMe storage array built in a compact 1U dual-controller chassis.
| IBM FlashSystem 5035 | Pure Storage FlashArray //X10 | |
|---|---|---|
| Brand | IBM | Pure Storage |
| Status | current | current |
| Released | Feb 2021 | May 2019 |
| Form factor | 2U rack | 1U rack |
| Form factor | 2U rack | — |
| Controllers | Dual active-active | — |
| Cache memory | 64GB | — |
| Max drives | 504 | — |
| Host interfaces | 32Gb/16Gb FC, 25Gb/10Gb iSCSI, 12Gb SAS | — |
| Max raw capacity | 9.6PB | — |
| Controller configuration | — | Dual active-active hot-swappable controllers in 1U enclosure |
| Operating system | — | Pure Storage Purity//FA |
| Raw capacity | — | Up to 73TB raw (DirectFlash Modules) |
| Effective capacity | — | Up to 220TB effective (assuming 3:1 average data reduction) |
| Drive media | — | NVMe DirectFlash Modules (DFMs: 2.2TB, 4.5TB, 9.1TB, 18.2TB) |
| Connectivity | — | 16Gb/32Gb Fibre Channel, 10GbE/25GbE iSCSI, and NVMe-oF (RoCEv2/TCP) |
| Nvram | — | Dual hot-swappable NVRAM modules with dedicated battery-backed capacitance |
| Data reduction | — | Always-on inline deduplication and pattern-matching compression |
| Management | — | Pure1 cloud-based management and Purity REST API |
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