Lenovo ThinkSystem DE6400F vs Pure Storage FlashArray //X50
Side-by-side specifications from the vendors' own documents. The Lenovo ThinkSystem DE6400F is a 2nd generation all-flash NVMe block storage array built for high-performance computing, AI ingestion, and low-latency database environments. The Pure Storage FlashArray //X50 was a 3U midrange enterprise all-flash NVMe array delivering high IOPS and multi-petabyte effective storage for Oracle, SQL Server, and VMware estates.
| Lenovo ThinkSystem DE6400F | Pure Storage FlashArray //X50 | |
|---|---|---|
| Brand | Lenovo | Pure Storage |
| Status | current | end-of-sale |
| Released | May 2023 | May 2018 |
| Form factor | 2U rack | 3U rack |
| Controllers | Dual active-active controller canisters with 64GB or 128GB total system cache | — |
| Drive bays | 24x 2.5-inch U.3 NVMe SSD bays; supports expansion up to 120 NVMe SSDs | — |
| Host interfaces | Up to 8x 64Gb/32Gb FC, 100Gb NVMe-oF, or 25Gb iSCSI host ports per controller | — |
| Max performance | Up to 2,000,000 IOPS and up to 26 GB/s read bandwidth | — |
| Features | Dynamic Disk Pools (DDP), native NVMe storage architecture, encryption, synchronous replication | — |
| Power supply | Dual redundant hot-swap 1800W Titanium power supplies | — |
| Management | SANtricity System Manager (HTML5 web GUI) | Pure1 and Purity GUI |
| Controller configuration | — | Dual active-active controllers in 3U enclosure |
| Operating system | — | Pure Storage Purity//FA |
| Raw capacity | — | Up to 670TB raw with DirectFlash shelves |
| Effective capacity | — | Up to 2PB effective |
| Drive media | — | NVMe DirectFlash Modules (4.5TB, 9.1TB, 18.2TB) |
| Connectivity | — | 32Gb/16Gb FC, 25GbE/10GbE iSCSI, and NVMe-oF |
| Nvram | — | Dual hot-swappable NVRAM modules |
| Data reduction | — | Inline deduplication and compression |
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