Lenovo ThinkSystem DE6400F vs NetApp AFF A400
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 NetApp AFF A400 is an enterprise midrange all-flash array featuring hardware-accelerated data reduction and native end-to-end NVMe protocol support.
| Lenovo ThinkSystem DE6400F | NetApp AFF A400 | |
|---|---|---|
| Brand | Lenovo | NetApp |
| Status | current | end-of-sale |
| Released | May 2023 | Feb 2020 |
| Form factor | 2U rack | 4U 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 | Connects to NS224 NVMe drive shelves and DS224C SAS drive shelves |
| 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) | NetApp ONTAP 9 |
| Controller configuration | — | Dual controllers in 4U enclosure |
| Processor | — | Intel Xeon processors with dedicated crypto/compression offload engines |
| Memory | — | 256GB system memory per HA pair with NVRAM |
| Supported drives | — | NVMe TLC SSDs (1.9TB to 15.3TB) and 12Gb SAS SSDs (960GB to 15.3TB) |
| Maximum raw capacity | — | Up to 140PB in a 24-node cluster |
| Host connectivity | — | PCIe slots supporting 100GbE, 25GbE, 10GbE, 32Gb FC, and 16Gb FC |
| Storage protocols | — | NVMe/FC, NVMe/TCP, FC, iSCSI, NFS, SMB |
| Clustering | — | Up to 24 nodes (12 HA pairs) |
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