| ThinkSystem DE4000H system specifications | |
| Attribute Specification | |
| Form factor | DE4000H 2U24 SFF controller enclosure (Machine Type 7Y75): 2U rack mount. DE4000H 2U12 LFF controller enclosure (Machine Type 7Y74): 2U rack mount. DE4000H 4U60 LFF controller enclosure (Machine Type 7Y77): 4U rack mount. |
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| DE240S 2U24 SFF expansion enclosure (Machine Type 7Y68): 2U rack mount. DE120S 2U12 LFF expansion enclosure (Machine Type 7Y63): 2U rack mount. DE600S 4U60 LFF expansion enclosure (Machine Type 7Y69): 4U rack mount. | |
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| Controller Dual active-active controller configuration with automatic load balancing. configuration | |
| RAID levels RAID 0, 1, 3, 5, 6, and 10; Dynamic Disk Pools. | |
| Note: RAID 3 can be configured only through the CLI. | |
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| Controller system 16 GB or 64 GB per system (8 GB or 32 GB per controller). Cache mirroring between the memory controllers. Flash-backed cache protection (includes battery for destaging to flash). | |



