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Eight green DDR4 LRDIMM modules with gold contacts

NEMIX RAM

NEMIX RAM 512GB (8x64GB) DDR4 2666 ECC LRDIMM Dell PowerEdge R7425 memory upgrade

SKU CH-ASMP-7RFQG

Eight 64 GB DDR4 2666 ECC LRDIMM modules totalling 512 GB for Dell PowerEdge R7425 servers

  • Total capacity512 GB (8 × 64 GB)
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL19
  • Buffer typeLoad Reduced
  • Rated voltage1.2 V

Capacity 512GB 8X64GB

Show 8 more
  • 512 GB total capacity from eight 64 GB modules
  • Load-reduced ECC design protects data integrity under heavy server workloads
  • DDR4 2666 MHz speed rated at PC4-21300 for high-throughput performance
  • 2 V operation reduces power draw per module
  • 288-pin LRDIMM form factor fits Dell PowerEdge R7425 memory slots

Dell PowerEdge R7425 512GB memory kit

This NEMIX RAM kit delivers 512GB of DDR4 2666 ECC LRDIMM memory across eight 64GB modules. It is built for the Dell EMC PowerEdge R7425 server and runs at 1.2V with CL19 latency. The load-reduced design helps the memory controller manage high-density DIMMs in dense virtualisation hosts.

Suited for IT teams scaling a single R7425

Administrators who need maximum capacity in one chassis will use all eight slots. Buyers who want more storage or who run platforms that only accept standard RDIMM modules cannot use this kit. The 4Rx4 organisation also requires a motherboard qualified for load-reduced DIMMs.

512GB total capacity in eight 64GB LRDIMM modules

This aggregate figure is the single limit that decides whether the upgrade fits the workload. If the application set demands less than the full 512GB, a smaller kit avoids unused slots and leaves room for future expansion.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $1,734.99
Pricier than about 66% of the 21,161 comparable items (median $397.99).
Total capacity 512 GB (8 × 64 GB)
Higher than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $3.39 per GB
Cheaper than about 88% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineDell Server/Workstation Compatible Series Memory
Model nameDell DDR4 2666 MHz ECC LRDIMM Load Reduced Server Memory
Part numberML21300-944K8
Total capacity512 GB (8 × 64 GB)
Product type288-Pin DDR4 LRDIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL19
ECC supportYes
Buffer typeLoad Reduced
Heat spreaderNo
Memory rank4Rx4
Power
Rated voltage1.2 V
Compatibility
Compatible systemsDell
In the box
Included items512 GB (8 × 64 GB) DDR4 2666 MHz PC4-21300 4Rx4 1.2 V CL19 288-PIN ECC LRDIMM Load Reduced Server Memory KIT

Other versions of this model

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Questions about this item

How do I confirm the 512GB kit is running at DDR4 2666 with ECC after installation?

Enter the server BIOS or use a tool like dmidecode to verify each 64GB module shows 2666 MT/s, CL19, 1.20 V, 4Rx4 organisation and ECC enabled.

What ships in the box and is anything else required for the PowerEdge R7425?

The box contains eight 64GB 288-pin DDR4 LRDIMM modules (part ML21300-944K8); no extra cables, brackets or licences are needed for the R7425.

Why choose the 8 x 64GB LRDIMM kit instead of smaller RDIMM options?

LRDIMM reduces electrical load on the memory bus, allowing all 512GB to run at the full 2666 speed supported by the R7425, whereas RDIMM would limit capacity or speed.

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