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Four green DDR5 RDIMM modules, no heat spreaders, 288 pins each

NEMIX RAM

NEMIX RAM 512GB (4x128GB) DDR5 5600 ECC RDIMM 4Rx4 CL46 Dell PowerEdge XE9685L memory upgrade

SKU CH-KWFY-B5YTW

512 GB registered ECC DDR5 kit with four 128 GB modules at 5600 MT/s and CL46 for Dell PowerEdge XE9685L

  • Total capacity512 GB (4 × 128 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Buffer typeRegistered
  • Rated voltage1.1 V

Size 512GB 4X128GB

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Speed 5600MHz

  • 512GB total capacity across four 128GB modules scales memory-intensive workloads
  • DDR5 5600 speed delivers high throughput for compute-heavy server tasks
  • ECC registered design corrects errors and stabilises multi-socket operation
  • 1V operating voltage reduces power draw in dense rack deployments
  • Validated for Dell PowerEdge XE9685L ensures drop-in compatibility

Targeted server upgrade

This 512GB kit delivers four 128GB DDR5 5600 registered ECC modules built for the Dell PowerEdge XE9685L. The 4Rx4 organisation and CL46 timing suit enterprise workloads that demand maximum capacity per slot. Operators scaling memory in dense rack deployments will match the platform’s supported configuration exactly.

Build integration

Each module uses the standard 288-pin DDR5 RDIMM form factor and runs at 1.1V, so it fits the server’s existing DIMM slots without adapter hardware. Registered buffering reduces electrical load on the memory controller, freeing headroom for full population across all channels. The kit arrives as a matched set, eliminating the need to validate mixed ranks or speeds.

Sustained operation

ECC circuitry corrects single-bit errors on the fly, preserving data integrity during long compute runs. The 1.1V operating voltage keeps power draw predictable when all 512GB are active under continuous load. Samsung, Micron or Hynix DRAM components provide the thermal stability expected in a rack chassis with directed airflow.

How it compares

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

Price $15,775.99
Pricier than about 91% of the 21,161 comparable items (median $397.99).
Total capacity 512 GB (4 × 128 GB)
Higher than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $30.81 per GB
Pricier than about 88% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineNEMIX RAM Original Series Server Memory
Model nameDDR5 ECC RDIMM Registered Server Memory
Part numberMR44800-744K4
Total capacity512 GB (4 × 128 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 5600 (PC5 44800)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL46
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank4Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsDell
In the box
Included items512 GB (4 × 128 GB) DDR5 5600 MHz PC5-44800 4Rx4 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

Does the CL46 latency limit throughput under sustained server workloads?

CL46 is the rated CAS latency for these DDR5 5600 modules; sustained throughput depends on the Dell PowerEdge XE9685L memory controller and BIOS configuration.

What is the power draw and heat output when the kit runs continuously at 5600 MT/s?

Each module operates at 1.1 V; total power and thermal output depend on the server's memory subsystem and airflow, not on the DIMMs alone.

Which Dell server firmware or BIOS version is required before installing this 512 GB kit?

The kit is validated for the Dell PowerEdge XE9685L; install the latest Dell BIOS and firmware before adding the memory.

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