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Lenovo ThinkSystem DE4000H Hybrid Array – Scalable Entry-Level 2U–4U SAN & iSCSI Storage
Keywords
ThinkSystem DE4000H, hybrid storage array, 2U24 SFF, 4U60 LFF, Dynamic Disk Pools, up to 192 drives, iSCSI connectivity, Fibre Channel SAN, snapshots & clones, DE120S expansion, DE600S expansion
Description
The ThinkSystem DE4000H is a versatile hybrid storage array available in 2U24 SFF, 2U12 LFF, or 4U60 LFF chassis, combining HDDs and SSDs for balanced performance and capacity.
Powered by dual active-active controllers with 8 GB or 32 GB per controller, it supports 12 Gb SAS, 10/25 Gb iSCSI, and 8/16/32 Gb Fibre Channel host ports, enabling flexible SAN or iSCSI deployments.
Scale out to 192 drives via up to three DE240S, DE120S, or DE600S expansion enclosures, and protect data with Dynamic Disk Pools, RAID-TEC, snapshots, thin provisioning, compression, and optional mirroring.
Key Features
- Entry-level hybrid array: 24 SFF, 12 LFF, or 60 LFF bays in 2U/4U chassis.
- Dual controllers (8 GB/32 GB each) with battery-backed write cache.
- Dynamic Disk Pools (DDP) plus RAID 0/1/3/5/6/10 for performance and protection.
- Flexible host interfaces: 12 Gb SAS, 10/25 Gb iSCSI, 8/16/32 Gb FC.
- Scale to 192 drives using DE240S, DE120S, DE600S enclosures.
- Rich data services: snapshots, clones, QoS, thin provisioning, compression, encryption.
- Web GUI and Lenovo XClarity integration for unified management.
- Designed for 99.9999% availability: redundant hot-swap controllers, PSUs, fans, and non-disruptive upgrades.
Configuration
Model Form Factor Drive Bays Memory per Controller Host Ports DE4000H-2U24SFF 2U 24 × 2.5″ SFF 8 GB or 32 GB 12 Gb SAS, 10/25 Gb iSCSI, 8/16/32 Gb FC DE4000H-2U12LFF 2U 12 × 3.5″ LFF 8 GB or 32 GB 12 Gb SAS, 10/25 Gb iSCSI, 8/16/32 Gb FC DE4000H-4U60LFF 4U 60 × 3.5″ LFF 8 GB or 32 GB 12 Gb SAS, 10/25 Gb iSCSI, 8/16/32 Gb FC Expansion Enclosures 2U24 SFF / 2U12 LFF / 4U60 LFF 24 / 12 / 60 — 12 Gb SAS Compatibility
Certified for Windows Server, VMware ESXi, Hyper-V, RHEL, SLES; integrates with Lenovo XClarity, and supports major backup and replication software.
Usage Scenarios
Big data analytics and AI pipelines benefit from hybrid caching and DDP acceleration to meet I/O demands.
Video surveillance and technical computing leverage high-capacity LFF drives for large archives with moderate performance.
Backup and recovery workflows use snapshots, replication, and thin provisioning for efficient data protection.
Frequently Asked Questions
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Q: How many drives can DE4000H support?
A: Up to 24/12/60 in the base chassis and up to 192 total with expansion enclosures. -
Q: What is Dynamic Disk Pools?
A: DDP distributes data and parity across all drives to optimize rebuilds and performance. -
Q: Can I mix HDDs and SSDs?
A: Yes—mix 2.5″ and 3.5″ drives in expansion enclosures (not within the same enclosure). -
Q: Does it support non-disruptive upgrades?
A: Yes—all firmware, controllers, and modules can be upgraded without downtime.
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