Dell EMC Unity 400F Upgrade Guide
Maximize the performance and lifespan of your Dell EMC Unity 400F (Unity). Every upgrade option below is verified compatible.
5Upgrade Categories
700Options Available
All-FlashMax Memory
2 SPCPU Sockets
25 SFFDrive Bays
End of Sale: The Dell EMC Unity 400F has reached end of sale.
Upgrading components extends its useful life and avoids costly replacement.
Next generation: Dell PowerStore 3000T (Gen1)
Next generation: Dell PowerStore 3000T (Gen1)
Verified Specifications
| Processor Options | 2x Storage Processors (dual-active); each SP: Intel Xeon E5-2630 v3, 8 cores, 2.4GHz |
| Memory Configuration | 48 GB per SP (96 GB per dual-SP array) |
| Drive Configurations | All-Flash: 2U Disk Processor Enclosure with 25x 2.5-inch drive bays; 12Gb SAS Flash drives only; max 250 drives; max raw capacity 3.9 PB; expansion via 25-drive 2.5-inch DAEs |
| Power Supply Options | 2 hot-swappable power supply modules per DPE (one per SP; a single PSU can power the entire DPE), AC or DC variants, plus Battery Backup Unit (BBU) per SP for cache de-stage to M.2 SSD |
| RAID Controllers | RAID 1/0, RAID 5 (default), RAID 6 (Dynamic Pools default pool type on All Flash systems); system drives configured RAID 1/0 |
| Networking Options | Per SP: 2x 10GbE BaseT (auto 10Gb/1Gb/100Mb) + 2x CNA ports configurable as 16/8/4Gb FC, 10GbE Optical (SFP+/TwinAx) or 1GbE; 2x 12Gb SAS (4-lane) back-end ports; up to 2 I/O modules per SP: 12Gb SAS 4-port, 16Gb FC 4-port, 10GbE Optical 2/4-port, 10GbE BaseT 4-port, 1GbE BaseT 4-port; dedicated 1GbE mgmt + service ports |
| Specification Source | Dell official documentation (verified 2026-07-02) |
Frequently Asked Questions
Upgrade Storage
Moving from spinning disk to SSD or NVMe storage provides the largest single performance improvement — often 10-50x faster I/O. Consider NVMe for boot drives and high-IOPS workloads.
Dell EMC SAS HDD 005047873
005047873 EMC 73GB 10K 2Gb FC LFF HDD
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Dell EMC SAS HDD 005047874
005047874 EMC 36GB 10K 2Gb FC LFF HDD
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Dell EMC SAS HDD 005048031
005048031 EMC 146GB 10K 2Gb FC LFF HDD
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Dell EMC SAS HDD 005048128
005048128 EMC 146GB 10K 2Gb FC LFF HDD
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Dell EMC SAS HDD 005048129
005048129 EMC 73GB 10K 2Gb FC LFF HDD
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Dell EMC SAS HDD 005048255
005048255 EMC 146GB 10K 2Gb FC LFF HDD
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Upgrade Power & Cooling
This category provides verified compatible upgrade paths. ICD engineers validate every part for compatibility with your specific server model and workload requirements.
Dell EMC Fan 045-000-175
045-000-175 Dell EMC AX100/AX150 Series Fan Module
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Dell EMC Power Supply 071
071 EMC 518 400W Power Supply VNX
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Dell EMC Power Supply 071-000-036
071-000-036 EMC VNX Dae 400W AC Power Supply
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Dell EMC Power Supply 071-000-036-04
071-000-036-04 Dell EMC VNX 1100W AC Power Supply Unit (PSU)
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Dell EMC Power Supply 071-000-199
071-000-199 EMC VNX/VMAX 1100W Power Supply Module
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Dell EMC Power Supply 071-000-518
071-000-518 EMC VNX Spe 875W AC Power Supply
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Upgrade Controllers
Upgrading your RAID controller enables faster disk I/O, larger cache, and support for newer drive technologies. Essential when adding NVMe or SAS-4 drives.
Dell EMC Storage Controller 0998162-03
0998162-03 Dell Compellent SC4020 10GBE-ISCSI-2 Type a Controller
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Dell EMC Storage Controller 0998162-20
0998162-20 Dell Compellent SC4020 10G-ISCSI-2 Type a Controller E15M001
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Dell EMC Storage Controller 0V7TD
0V7TD Dell MD3260 4 Port 6GBPS 2GB SAS Controller
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Dell EMC Storage Controller 100-563-109
100-563-109 Dell EMC VNX5500 Storage Processor Unit Enclosure with 2X 110-113-112B SP
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Dell EMC Storage Controller 10N16
10N16 Dell Compellent SC4020 10G-ISCSI-2 Type a Controller Module (2X 10G Iscsi, 2X 6GB SAS)
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Dell EMC Storage Controller 110-113-106B
110-113-106B Dell EMC VNX5300 Data Mover CPU Module - 2.13GHZ Cpu, 6GB RAM
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Upgrade Enclosure
This category provides verified compatible upgrade paths. ICD engineers validate every part for compatibility with your specific server model and workload requirements.
Dell EMC DAE Enclosure 100-542-901-07
100-542-901-07 Dell EMC Unity Xt 380 OPE25 25X SFF Storage Array Enclosure
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Dell EMC DAE Enclosure 100-562-712
100-562-712 Dell EMC VNX Dae 25X2.5-INCH Disk Array Enclosure 2U
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Dell EMC DAE Enclosure 100-562-964
100-562-964 Dell EMC VNX Dae 25X2.5-INCH Disk Array Enclosure 2U
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Dell EMC DAE Enclosure 100-563-878
100-563-878 Dell EMC ES30 Disk Array Enclosure with 1X PSU and 2X Controller Card
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Dell EMC DAE Enclosure SC400
SC400 Dell Compellent 12-BAY 3.5IN 12G SAS 2U Expansion Enclosure
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Dell EMC DAE Enclosure SC420
SC420 Dell Compellent 24-BAY 2.5IN 12G SAS 2U Expansion Enclosure
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Upgrade Networking
Stepping up from 1GbE to 10GbE or 25GbE eliminates network bottlenecks for VM migration, iSCSI storage traffic, and backup windows. Most modern workloads benefit from at least 10GbE.
Dell EMC SFP Transceiver 019-078-032
019-078-032 Dell EMC 1/2/4 Gb SFP Fibre Channel Transceiver Module
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Dell EMC SFP Transceiver 019-078-041
019-078-041 Dell EMC SFP+ 10GBASE-SR Transceiver Module - 850NM Mmf 300M LC
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Dell EMC SFP Transceiver 019-078-042
019-078-042 Dell EMC 8GB SFP+ Fibre Channel Transceiver Module
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Dell EMC SFP Transceiver 019-078-045
019-078-045 Dell EMC 16GB SFP+ SR 850NM SHORT-WAVELENGTH Fibre Channel Transceiver Module
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More Dell EMC Unity 400F Resources
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