Lenovo ThinkSystem DE4000F vs NetApp AFF A20
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 NetApp AFF A20 is an entry-level all-flash storage system providing small businesses and edge sites with enterprise-grade unified storage.
| Lenovo ThinkSystem DE4000F | NetApp AFF A20 | |
|---|---|---|
| Brand | Lenovo | NetApp |
| Status | current | current |
| Released | Sep 2018 | Oct 2024 |
| Form factor | 2U rack | 2U 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 | Up to 24x internal 2.5-inch NVMe SSDs |
| 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) | NetApp ONTAP 9 |
| Controller configuration | — | Dual active-active controllers in 2U chassis |
| Processor | — | Intel multi-core processors per controller |
| Memory | — | 64GB system memory per HA pair with NVRAM |
| Supported drives | — | NVMe TLC SSDs (960GB to 7.6TB) |
| Maximum raw capacity | — | Up to 15PB in a cluster |
| Host connectivity | — | Onboard 10GbE / 25GbE and optional 16Gb/32Gb FC host ports |
| Storage protocols | — | FC, iSCSI, NFS, SMB |
| Clustering | — | Up to 24 nodes (12 HA pairs) |
Buying or selling a ThinkSystem DE4000F or AFF A20?
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.