Lenovo ThinkSystem DE6400F vs Pure Storage FlashArray //X20 R4
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 //X20 R4 is a modern 3U all-NVMe flash array powered by Intel Xeon Scalable processors and PCIe Gen 4 architecture.
| Lenovo ThinkSystem DE6400F | Pure Storage FlashArray //X20 R4 | |
|---|---|---|
| Brand | Lenovo | Pure Storage |
| Status | current | current |
| Released | May 2023 | Jun 2023 |
| 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 AI-powered management |
| Controller configuration | — | Dual active-active controllers in 3U enclosure |
| Processor | — | Intel Xeon Scalable multi-core processors per controller (PCIe Gen 4) |
| Operating system | — | Pure Storage Purity//FA |
| Raw capacity | — | Up to 345TB raw |
| Effective capacity | — | Up to 1.1PB effective with 3.3:1 data reduction |
| Drive media | — | NVMe DirectFlash Modules (DFMs: 4.5TB, 9.1TB, 18.2TB, 36.4TB) |
| Connectivity | — | 10GbE/25GbE/100GbE iSCSI, NVMe/TCP, NVMe/RoCE, and 16Gb/32Gb/64Gb FC |
| Data reduction | — | Always-on inline deduplication and compression |
Buying or selling a ThinkSystem DE6400F or FlashArray //X20 R4?
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.