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Four green DDR4 RDIMM modules without heat spreaders

NEMIX RAM

NEMIX RAM 512GB (4x128GB) DDR4 3200 CL22 4Rx4 ECC RDIMM MSI WRX80 memory upgrade

SKU CH-HG5Y-6MKV7

A 512 GB quad-kit of DDR4 3200 ECC registered RDIMM memory with CL22 latency and 1.2 V operation, validated for MSI WRX80 motherboards

  • Capacity512GB (4 x 128GB)
  • SpeedDDR4 3200 (PC4 25600)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V

Capacity 512GB 4X128GB

Show 4 more configurations
  • Massive 512GB capacity with four 128GB modules
  • DDR4 3200 speed rated at PC4-25600 bandwidth
  • ECC registered design protects data integrity
  • Low 1.20V voltage reduces power draw
  • Validated for MSI WRX80 motherboard compatibility

Capacity and configuration

This kit delivers 512GB of DDR4 memory across four 128GB modules, built for MSI WRX80 motherboards. The 4Rx4 registered ECC design targets workstations and servers that need maximum density per slot.

Platform integration and slot usage

Registered DIMMs with ECC require a chipset and CPU that support both features, which the WRX80 platform provides. The four-module kit fills four 288-pin slots at 1.2V, leaving any remaining channels open for further expansion.

Workload headroom and limits

CL22 timing at 3200 MT/s handles large datasets, virtualisation and multi-threaded compute where capacity outweighs latency. The 4Rx4 organisation maximises rank density, so bandwidth per core becomes the bottleneck before the memory controller reaches its module limit.

Highlights

  • Massive 512GB capacity with four 128GB modules
  • DDR4 3200 speed rated at PC4-25600 bandwidth
  • ECC registered design protects data integrity
  • Low 1.20V voltage reduces power draw
  • Validated for MSI WRX80 motherboard compatibility

Specifications

BrandNEMIX RAM
SeriesMSI Server/Workstation Motherboard Compatible Series Memory
ModelMSI DDR4 3200MHZ ECC RDIMM Registered Server Memory
Part NumberMR25600-744K4
Capacity512GB (4 x 128GB)
SpeedDDR4 3200 (PC4 25600)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.20V
Compatible SystemMSI
CAS LatencyCL22
Heat SpreaderNo
Type288-Pin DDR4 RDIMM
Rank4Rx4
FeaturesDDR4 ECC Registered RDIMM Server Motherboard Compatible
Package Content512GB (4X128GB) DDR4 3200MHZ PC4-25600 4Rx4 1.2V CL22 288-PIN ECC RDIMM Registered Server Memory KIT

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Questions about this item

Will the 3200 MT/s speed hold under sustained load with CL22 latency?

The kit is rated for DDR4 3200 at CL22; sustained throughput will be limited by the 4Rx4 rank density and the motherboard's memory controller capabilities.

What thermal and acoustic impact should I expect from four 128 GB RDIMMs running continuously?

Each module operates at 1.20 V without a heat spreader; total power draw scales with all four sticks active, and fan noise depends entirely on your chassis airflow design.

Which motherboard features must my system already provide for this 512 GB kit to function?

An MSI WRX80 board with 288-pin DDR4 slots supporting registered ECC RDIMMs, 4Rx4 organisation and 1.2 V operation is required.

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