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Two green circuit boards with black memory chips, no heat spreaders, gold edge connectors

NEMIX RAM

NEMIX RAM DDR5 5600MHz 128GB (2x64GB) ECC RDIMM CL46 288-Pin 1.1V 4Rx4 Dell PowerEdge XE9685L memory upgrade

SKU CH-55DE-AERMS

Dual 64 GB DDR5 ECC RDIMM kit running at 5600 MHz CL46, 1.1 V, 4Rx4 registered for Dell PowerEdge XE9685L servers

  • Capacity128GB (2 x 64GB)
  • SpeedDDR5 5600 (PC5 44800)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V

Size 128GB 2X64GB

Show 6 more configurations

Speed 5600MHz

  • 5600MHz
  • 6400MHz

Struck-through versions exist but are not stocked here.

  • ECC protection prevents data corruption with registered DDR5 modules
  • 128 GB total capacity delivered as two 64 GB sticks
  • 5600 MHz speed rated at PC5-44800 for high throughput
  • 1 V operation reduces power draw in dense server configs
  • Validated for Dell PowerEdge XE9685L rack server compatibility

Dell PowerEdge XE9685L upgrade kit

This 128GB kit adds two 64GB DDR5 5600MHz registered ECC RDIMMs to a Dell PowerEdge XE9685L rack server. The modules run at CL46 latency and 1.10V, delivering PC5-44800 bandwidth for memory-intensive workloads. They are built with major OEM chips from Samsung, Micron or Hynix and validated for the target platform.

Thermal and power profile

Each module operates at 1.10V without a heat spreader, relying on server chassis airflow for cooling. Registered buffering and ECC circuitry add minimal overhead, keeping power draw predictable under sustained load. The dual-rank 4Rx4 organisation distributes access across banks, helping maintain stable thermals in dense configurations.

What the kit changes

Installing the pair expands total system memory by 128GB in a matched configuration, enabling larger virtualisation clusters, in-memory databases or HPC datasets. ECC protection corrects single-bit errors on the fly, reducing silent data corruption risk. Registered signalling improves signal integrity at full population, allowing the server to run at the rated 5600MHz speed.

Highlights

  • ECC protection prevents data corruption with registered DDR5 modules
  • 128 GB total capacity delivered as two 64 GB sticks
  • 5600 MHz speed rated at PC5-44800 for high throughput
  • 1 V operation reduces power draw in dense server configs
  • Validated for Dell PowerEdge XE9685L rack server compatibility

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR44800-944K2
Capacity128GB (2 x 64GB)
SpeedDDR5 5600 (PC5 44800)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemDell
CAS LatencyCL46
Heat SpreaderNo
Type288-Pin DDR5 RDIMM
Rank4Rx4
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content128GB (2 x 64GB) DDR5 5600MHz PC5-44800 4Rx4 1.1V 288-PIN ECC RDIMM KIT

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

How do I install the 288-pin DDR5 RDIMM modules into the Dell PowerEdge XE9685L, and what step is commonly missed?

Power down the server, open the chassis, align each 64GB module's notch with the slot key, press firmly until the ejector tabs click, then verify in BIOS that all 128GB are detected at 5600MHz with ECC active.

What maintenance or replacement will this 4Rx4 ECC RDIMM kit need over its service life?

No routine maintenance is required; the modules have no heat spreader and run at 1.1V, so keep airflow clean and replace only if POST reports a correctable error count that exceeds the platform threshold.

What limit appears first when the kit runs sustained workloads at 5600MHz CL46?

The registered buffer and 4Rx4 organisation add latency, so memory-controller throughput saturates before thermal limits, capping sustained bandwidth at the rated PC5-44800 level.

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