Lenovo ThinkSystem DE6400H
The ThinkSystem DE6400H is an enterprise-class hybrid block storage array powered by end-to-end NVMe controller technology and SANtricity OS. Featuring dual controllers with 64GB total system cache, the system supports high-throughput applications including big data analytics, technical computing, video surveillance ingest, and database consolidation. Host connectivity options include 100Gb NVMe over RoCE, 32Gb Fibre Channel, and 25Gb iSCSI. When evaluating second-hand hardware, check that the controllers include high-speed NVMe mezzanine modules, ensure non-volatile cache backup batteries or supercapacitors report healthy status, and verify carrier interoperability.
Also written as: ThinkSystem DE6400H, DE6400H Hybrid, DE6400 Hybrid Storage Array
Specifications
| Brand | Lenovo |
|---|---|
| Family | ThinkSystem DE |
| Form factor | 2U rack |
| Released | Jan 2023 |
| Raw capacity | Up to 5.76 PB raw capacity across up to 384 drives |
| Drive bays | 24x 2.5-inch SFF hot-swap bays supporting NVMe SSDs and SAS HDDs/SSDs via expansion |
| Power supply | Dual redundant 1200W AC hot-swap power supplies |
Reference prices (last 14 days, updated 2026-10-27)
New: USD 28,900 (1 sighting, Oct 2026)
Refurbished: USD 16,500 (1 sighting, Oct 2026)
All sightings
| Seller | Condition | Price | Note | Seen |
|---|---|---|---|---|
| cdw.com | new | USD 28,900 | Dual controller 2U24 SFF base array with 64GB cache | 2026-10-27 |
| ebay.com | refurbished | USD 16,500 | Complete 2U24 dual controller chassis with 32Gb FC interfaces and rails | 2026-10-27 |
Prices seen on public listings on the dates shown, before tax and shipping. Not an offer.
Compatible parts
Hard drives
- 4XB7A14106 Lenovo ThinkSystem DE Series 8TB 7.2K 3.5" SAS HDD
- 4XB7A74951 Lenovo ThinkSystem DE Series 18TB 7.2K 3.5" SAS HDD
- 4XB7A13911 ThinkSystem 3.5" 14TB 7.2K SAS 12Gb Hot Swap 512e HDD
SSDs
- 4XB7A38087 ThinkSystem DE Series 3.84TB 1DWPD 2.5" NVMe SED 2U24 SSD
- 4XB7A74955 ThinkSystem DE Series 3.84TB 1DWPD 2.5" SAS SSD 2U24
Equivalent models from other brands
- Dell Powervault ME5084
- HPE Alletra 5000
Buying a used DE6400H: what to check
Examine SANtricity controller health diagnostics for cache destage capacitor integrity, verify host interface daughtercard speeds (100Gb RoCE vs 32Gb FC), and ensure proper 1200W power supplies and high-pressure blowers are installed.
FAQ
What protocols does the DE6400H support for host connectivity?
It supports NVMe over RoCE (up to 100Gb/s), 32Gb Fibre Channel, 25Gb iSCSI, and 12Gb SAS.
What is the cache memory size on the DE6400H?
The array provides 64GB of total system cache (32GB per controller).
What distinguishes the DE6400H from the DE6400F?
The DE6400H is the hybrid model supporting both SSDs and expansion shelves with mechanical HDDs, whereas the DE6400F is an all-flash array.
Buying or selling DE6400H?
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 and DE6400H Storage Arrays Product Guide, checked 2026-10-27