Lenovo ThinkSystem DE6400F
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. Using native U.3 NVMe SSDs and supporting 64Gb Fibre Channel and 100Gb NVMe-oF host interfaces, it delivers up to 2 million IOPS and up to 26 GB/s bandwidth in a compact 2U chassis.
Specifications
| Brand | Lenovo |
|---|---|
| Family | ThinkSystem DE |
| Form factor | 2U rack |
| Released | May 2023 |
| 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 |
| 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) |
Generations
- Previous generation: Lenovo ThinkSystem DE6000F
- Next generation: Lenovo ThinkSystem DE6600F
Compatible parts
SSDs
4XB7A82259 ThinkSystem 2.5" U.3 7450 PRO 7.68TB Read Intensive NVMe PCIe 4.0 x4 HS SSD
4XB7A82260 ThinkSystem 2.5" U.3 7450 PRO 15.36TB Read Intensive NVMe PCIe 4.0 x4 HS SSD
Works together
How the Lenovo ThinkSystem DE6400F connects to servers, storage and the network: 1 way, with the parts and products on each path.
Fibre Channel SAN
Match the speed: 16Gb and 32Gb FC HBAs, switches and array ports work together, and each generation also runs one or two speeds below its own (a 32Gb port runs at 16Gb and 8Gb).
Servers
Lenovo ThinkSystem SE350 V2 1U edge
Lenovo ThinkSystem SE360 V2 1U edge
Lenovo ThinkSystem SE455 V3 2U edge
Lenovo ThinkSystem SR630 V3 1U rack
Lenovo ThinkSystem SR635 V3 1U rack
Lenovo ThinkSystem SR650 V3 2U rack
Adapters for the server
4XC7A77485 ThinkSystem Emulex LPe36002 64Gb 2-Port PCIe Fibre Channel Adapter
81Y1655 Emulex 16Gb Gen6 FC Dual-port HBA
540-BDLM Dell Emulex LPe36002 Dual Port 64Gb Fibre Channel Host Bus Adapter
UCSC-PCIE-BD16GF Cisco Emulex LPe31002 Dual Port 16G Fibre Channel HBA
Switches
Lenovo ThinkSystem DB720S 1U rack
Lenovo ThinkSystem DB730S 2U rack
Cisco MDS 9396V 2RU
Cisco MDS 9124V 1U rack
Optics
57-1000495-01 Brocade 64G FC SFP+ SWL
DS-SFP-FC64G-SW Cisco 64Gbps Fibre Channel Shortwave SFP56 Transceiver
57-1000114-01 Brocade 10G FC SFP+ SWL
Plan and size it
- Draw this setup in the topology planner mrplanb.com
- Add up rack power and space rack-density.com
- Virtualization storage Ledger: scored storage platforms mrplanb.com
- SAN transport and NVMe over FC for backup mrplanb.com
- What an hour of downtime costs outagecost.org
- Lenovo ServerProven (Lenovo compatibility) lenovo.com
Check compatibility with Lenovo
Before you buy, confirm the exact configuration against the vendor's own lists: firmware levels, operating systems, adapters and optics that Lenovo has tested with the Lenovo ThinkSystem DE6400F.
- Compatibility Lenovo ServerProven (options and OS compatibility)
- Specifications Lenovo Press product guides
- Support Lenovo Data Center Support
Equivalent models from other brands
FAQ
What drive interface does the DE6400F use internally?
It utilizes native PCIe Gen4 U.3 NVMe solid-state drives for direct controller-to-flash bus transfers.
Does the DE6400F support 64Gb Fibre Channel?
Yes, it supports Gen 7 64Gb FC host interface cards with optical auto-negotiation to 32Gb and 16Gb fabrics.
Buying or selling ThinkSystem DE6400F?
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.
Sources
- Lenovo ThinkSystem DE6400F All-Flash Storage Array Product Guide, checked 2026-10-28