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Green rectangular DDR5 RDIMM module with black chips and gold contacts, no heat spreader

NEMIX RAM

NEMIX RAM 128GB DDR5 4800 CL40 1.1V 4Rx4 ECC RDIMM Dell Precision 7960

SKU CH-99DF-AW3TX

A 128 GB DDR5 4800 CL40 ECC registered RDIMM validated for Dell Precision 7960 workstations

  • Total capacity128 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 128 GB capacity handles large datasets
  • 4800 MT/s DDR5 speed accelerates throughput
  • CL40 latency keeps response tight
  • 1 V operation reduces power draw
  • 4Rx4 ECC registered design protects data integrity

Dell Precision 7960 memory upgrade

This 128GB DDR5 RDIMM is built for Dell Precision 7960 rack and tower workstations that require registered ECC memory. It targets IT professionals who need maximum capacity in a single slot for memory-intensive workloads. The module delivers 4800MHz speed with CL40 latency at 1.1V.

Registered ECC with 4Rx4 organisation

The registered buffer reduces electrical load on the memory controller, allowing stable operation at high density. On-die ECC corrects single-bit errors to protect data integrity in mission-critical applications. The 4Rx4 rank structure packs 128GB into one 288-pin module without a heat spreader.

Major OEM DRAM chips and lifetime replacement

Chips sourced from Samsung, Micron or Hynix are stress-tested under load before shipping. The bare PCB fits standard DDR5 RDIMM slots in the Precision 7960 chassis. Buyers needing unbuffered UDIMMs or lower-capacity modules for consumer platforms should look elsewhere.

How it compares

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

Price $4,100.99
Pricier than about 90% of the 6,523 comparable items (median $188.99).
Total capacity 128 GB
Higher than about 90% of the 6,064 comparable items (median 32 GB).
Price per GB $32.04 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 numberMR38400-744K1
Total capacity128 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

Will the 128GB DDR5 4800 module need any firmware updates or component replacements during its service life?

The RDIMM has no moving parts or firmware; it requires no scheduled maintenance or component replacement under normal server workloads.

What is the first limit reached when the 4Rx4 ECC registered DIMM runs at full 4800 MT/s continuously?

The module operates at its rated 4800 speed and CL40 latency; the primary limit under sustained load is the memory controller's thermal and bandwidth ceiling.

How much heat and power does the 1.1V 288-pin DDR5 RDIMM produce during all-day operation in a Dell Precision 7960?

At 1.1 V the module draws low power and runs cool; its registered design and lack of heat spreader keep thermals manageable in the workstation's airflow.

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