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NEMIX RAM

NEMIX RAM 1TB (8x128GB) DDR5 4800 CL40 1.1V 288-Pin ECC RDIMM Dell PowerEdge R7625

SKU CH-FZX7-45KKB

Eight 128 GB DDR5 registered ECC modules at 4800 MT/s CL40 1.1 V, validated for Dell PowerEdge R7625

  • Total capacity1 TB (8 × 128 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 1TB total capacity with eight 128GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • CL40 latency at 1.10V operating voltage
  • 4Rx4 registered ECC for data integrity
  • 288-pin RDIMM validated for Dell PowerEdge R7625

1TB DDR5 ECC RDIMM kit for Dell PowerEdge R7625

This registered DDR5 memory kit delivers 1TB of capacity across eight 128GB modules. It is built for administrators upgrading the Dell PowerEdge R7625 rack server with ECC protection and 4Rx4 organisation. The kit targets IT teams running virtualisation, database or high-performance computing workloads that demand maximum registered DIMM density.

1.10V operation and CL40 latency at 4800 MT/s

Modules run at the standard 1.10V DDR5 voltage with a CAS latency of 40 at the rated 4800 MT/s data rate. Registered buffering and on-die ECC help maintain signal integrity and data accuracy under sustained load. The absence of heat spreaders means airflow through the server chassis manages thermals directly on the DRAM packages.

288-pin RDIMM form factor with major OEM DRAM

Each module uses the 288-pin RDIMM interface populated with Samsung, Micron or Hynix components selected by the assembler. Registered signalling reduces electrical load on the memory controller, allowing all eight slots to be populated simultaneously. The kit is validated for the Dell PowerEdge R7625 platform; other systems require separate compatibility verification.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $32,775.99
Pricier than about 94% of the 6,523 comparable items (median $188.99).
Total capacity 1 TB (8 × 128 GB)
Higher than about 92% of the 6,064 comparable items (median 32 GB).
Price per GB $32.78 per GB
Pricier than about 90% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineDell Series Server Memory
Model nameDell Compatible DDR5 ECC Registered RDIMM
Part numberMR38400-744K8
Total capacity1 TB (8 × 128 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Memory rank4Rx4
Heat spreaderNo
Power
Rated voltage1.1 V

Questions about this item

How do I install the 288-pin DDR5 RDIMM modules in a Dell PowerEdge R7625, and what step is commonly missed?

Power off the server, open the chassis, align each module with the slot key notch, press firmly until both retention clips click, then verify all eight 128GB modules appear in BIOS before booting the OS.

What maintenance or replacement will the 1TB DDR5 4800 ECC registered kit need over time?

The modules have no heat spreaders and no moving parts; run periodic memory diagnostics and reseat the 288-pin RDIMMs only if ECC logs report correctable errors on a specific rank.

Which limit appears first when the 4Rx4 CL40 1.10V kit runs sustained workloads?

The DDR5 4800 PC5-38400 bandwidth ceiling is reached before thermal throttling because the registered 4Rx4 modules operate at 1.10V without heat spreaders.

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