Lenovo ThinkSystem DE6600F vs Pure Storage FlashArray //XL
Side-by-side specifications from the vendors' own documents. The Lenovo ThinkSystem DE6600F is Lenovo's highest-performing all-flash block storage array, engineered for extreme AI/ML workloads, Exascale HPC file tiering, and high-throughput real-time transactional systems. The Pure Storage FlashArray //XL is an enterprise modular all-NVMe storage system built for massive scale, extreme IOPS, and deterministic sub-millisecond response times.
| Lenovo ThinkSystem DE6600F | Pure Storage FlashArray //XL | |
|---|---|---|
| Brand | Lenovo | Pure Storage |
| Status | current | current |
| Released | May 2023 | Dec 2021 |
| Form factor | 2U rack | 5U rack |
| Controllers | Dual active-active controller canisters with 256GB total system cache (128GB per controller) | — |
| Drive bays | 24x 2.5-inch U.3 NVMe SSD bays; expandable up to 120 NVMe flash drives | — |
| Host interfaces | Up to 8x 64Gb FC, 200Gb NVMe-oF (RoCE/InfiniBand), or 25/100Gb iSCSI host ports per canister | — |
| Max performance | Up to 3,000,000 IOPS and up to 44 GB/s sequential throughput | — |
| Features | Dynamic Disk Pools, sub-100us latency, NVMe-oF host attachments, synchronous replication | — |
| Power supply | Dual redundant hot-swap 1800W Titanium power supplies | — |
| Management | SANtricity System Manager (HTML5 web GUI) | Pure1 and Purity REST API |
| Controller configuration | — | Dual active-active modular controllers in 5U enclosure |
| Processor | — | Dual Intel Xeon Scalable processors per controller (multi-socket modular architecture) |
| Operating system | — | Pure Storage Purity//FA |
| Raw capacity | — | Up to 5.5PB raw |
| Effective capacity | — | Up to 16.5PB effective with data reduction |
| Drive media | — | NVMe DirectFlash Modules (DFMs: 9.1TB, 18.2TB, 36.4TB, 75TB) |
| Connectivity | — | 64Gb/32Gb FC, 100GbE/25GbE iSCSI, and NVMe-oF (TCP/RoCE) |
| Data reduction | — | Inline deduplication and compression |
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