Lenovo ThinkSystem DM5000F vs Pure Storage FlashArray //X20
Side-by-side specifications from the vendors' own documents. The Lenovo ThinkSystem DM5000F is a 2U unified all-flash SAN and NAS storage array powered by ONTAP software. The Pure Storage FlashArray //X20 was a 3U enterprise all-NVMe storage array designed to consolidate virtual machines, virtual desktops, and transaction databases.
| Lenovo ThinkSystem DM5000F | Pure Storage FlashArray //X20 | |
|---|---|---|
| Brand | Lenovo | Pure Storage |
| Status | current | end-of-sale |
| Released | Sep 2018 | May 2018 |
| Form factor | 2U rack | 3U rack |
| Controllers | Dual active-active ONTAP controller canisters with 64GB memory and 8GB NVRAM | — |
| Drive bays | 24x 2.5-inch SFF hot-swap all-flash SAS SSD bays; expands up to 144 all-flash SSDs | — |
| Host interfaces | 8x 16Gb FC or 10GbE SFP+ unified target adapter (UTA2) ports, plus 4x 10GBASE-T ports | — |
| Protocols | Fibre Channel, iSCSI, NFS, SMB/CIFS, and S3 object storage APIs | — |
| Features | Inline data reduction (3:1 to 5:1 typical ratio), Snapshot copies, SnapMirror replication, FlexClone | — |
| Power supply | Dual redundant hot-swap AC power supplies | — |
| Management | Lenovo ONTAP System Manager and XClarity | Pure1 and Purity GUI |
| Controller configuration | — | Dual active-active controllers in 3U enclosure |
| Operating system | — | Pure Storage Purity//FA |
| Raw capacity | — | Up to 263TB raw with DirectFlash shelf expansion |
| Effective capacity | — | Up to 800TB effective with inline data reduction |
| Drive media | — | DirectFlash Modules (4.5TB, 9.1TB, 18.2TB) |
| Connectivity | — | 16Gb/32Gb FC, 10GbE/25GbE iSCSI, and NVMe-oF (RoCEv2) |
| Nvram | — | Dual internal NVRAM modules |
| Data reduction | — | Inline deduplication and LZ4/Huffman compression |
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