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Four green DDR4 RDIMM modules without heat spreaders

NEMIX RAM

NEMIX RAM 128GB (4x32GB) DDR4 3200 CL22 ECC RDIMM Server Memory

SKU CH-J6G4-9TQBX

A 128GB quad-channel DDR4 3200 CL22 ECC registered kit built for Dell Precision 7865 workstations

  • Capacity128GB (4 x 32GB)
  • Type288-Pin DDR4 RDIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.20V
  • ECCYes

Capacity 128GB (4 x 32GB)

Show 4 more configurations

Rank 2Rx8

  • 128 GB total capacity with four 32 GB modules
  • DDR4 3200 speed rated at PC4-25600 bandwidth
  • CL22 CAS latency at 1.20 V operating voltage
  • ECC registered RDIMM with 2Rx8 rank for data integrity
  • 288-pin DDR4 form factor validated for Dell Precision 7865 workstations

128GB DDR4 ECC RDIMM kit for Dell Precision 7865

This registered server memory kit delivers 128GB across four 32GB modules built for the Dell Precision Workstation 7865. It targets IT professionals and workstation builders who need error-correcting capacity for mission-critical workloads. The modules run at DDR4 3200 with CL22 latency and 1.20V operation. They use major OEM chips from Samsung, Micron or Hynix and carry a lifetime replacement warranty.

Thermals power and noise in normal use

These modules have no heat spreader and rely on system airflow for cooling. At 1.20V they draw modest power during typical server and workstation tasks. Registered buffering reduces electrical load on the memory controller, helping keep platform power steady. With no moving parts the kit adds zero acoustic noise to the chassis.

Behaviour under sustained load

All modules are rigorously stress tested under load before shipment to ensure stability during extended compute sessions. ECC detects and corrects single-bit errors that can accumulate during long-running jobs. The 2Rx8 organisation supports high-density configurations without signal degradation. Registered signalling maintains timing integrity when all four slots are populated at 3200 MT/s.

Highlights

  • 128 GB total capacity with four 32 GB modules
  • DDR4 3200 speed rated at PC4-25600 bandwidth
  • CL22 CAS latency at 1.20 V operating voltage
  • ECC registered RDIMM with 2Rx8 rank for data integrity
  • 288-pin DDR4 form factor validated for Dell Precision 7865 workstations

Specifications

BrandNEMIX RAM
SeriesDell Precision Workstation 7865 Series Server Memory
ModelDell Precision Workstation Compatible DDR4 3200MHZ ECC RDIMM
Part NumberMR25600-328K4
Capacity128GB (4 x 32GB)
Type288-Pin DDR4 RDIMM
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.20V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx8
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
FeaturesDDR4 ECC RDIMM Registered Server Memory Motherboard Compatible

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Questions about this item

How do I install the 4x32GB DDR4 3200 CL22 ECC RDIMM kit in a Dell Precision 7865, and which slot order is critical?

Power off the workstation, open the chassis, and seat each 288-pin RDIMM in the slots the Dell Precision 7865 service manual specifies for quad-channel population; the registered modules must go in the exact channels shown or the system will not post.

What maintenance or replacement will the 128GB DDR4 ECC RDIMM kit need over its service life?

No scheduled maintenance is required; the modules have no heat spreaders and run at 1.20V, so only dust removal from the DIMM sockets during routine chassis cleaning is needed unless a module fails, in which case the lifetime replacement covers it.

What limit appears first when the 128GB DDR4 3200 CL22 RDIMM kit runs sustained workloads?

The CL22 latency at 3200 MT/s sets the throughput ceiling; under continuous load the registered buffer and 2Rx8 organisation add fixed cycle overhead, so memory bandwidth saturates before thermal limits become a factor.

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