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. * 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. |
Controller configuration | Dual active-active controller configuration with automatic load balancing. |
RAID levels | RAID 0, 1, 3, 5, 6, and 10; Dynamic Disk Pools. Note: RAID 3 can be configured only through the CLI. |
Controller system memory | 16 GB or 64 GB per system (8 GB or 32 GB per controller). Cache mirroring between the controllers. Flash-backed cache protection (includes battery for destaging to flash). |
Expansion enclosure support | * DE4000H 2U24 SFF controller: 3x DE120S, 3x DE240S or 2x DE600S * DE4000H 2U12 LFF controller: 7x DE120S, 3x DE240S or 3x DE600S * DE4000H 4U60 LFF controller: 3x DE120S, 3x DE240S or 2x DE600S * Expansion enclosures may be mixed up to a maximum of 7 expansion enclosures |