Lenovo ThinkSystem DE4000F vs Pure Storage FlashArray //X10
Side-by-side specifications from the vendors' own documents. The Lenovo ThinkSystem DE4000F is an entry-level all-flash 2U block storage array engineered to deliver sub-millisecond latency for enterprise SAN environments. The Pure Storage FlashArray //X10 is an entry enterprise all-flash NVMe storage array built in a compact 1U dual-controller chassis.
| Lenovo ThinkSystem DE4000F | Pure Storage FlashArray //X10 | |
|---|---|---|
| Brand | Lenovo | Pure Storage |
| Status | current | current |
| Released | Sep 2018 | May 2019 |
| Form factor | 2U rack | 1U rack |
| Controllers | Dual active-active controller canisters with 16GB total system cache (8GB per controller) | — |
| Drive bays | 24x 2.5-inch SFF hot-swap all-flash SAS SSD bays; expands up to 120 SSDs via expansion enclosures | — |
| Host interfaces | 4x 12Gb SAS or 10/25Gb iSCSI or 16/32Gb FC host ports per controller canister | — |
| Max performance | Up to 300,000 IOPS and up to 10 GB/s read throughput | — |
| Features | Dynamic Disk Pools (DDP), snapshot copies, asynchronous and synchronous mirroring, thin provisioning | — |
| Power supply | Dual redundant hot-swap 913W Platinum AC power supplies | — |
| Management | SANtricity System Manager (embedded HTML5 web GUI) | Pure1 cloud-based management and Purity REST API |
| 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 |
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