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Four green DDR5 RDIMM modules without heat spreaders

NEMIX RAM

NEMIX RAM 128GB (4x32GB) DDR5 4800 ECC RDIMM CL40 1.1V ASRock TRX50 WS

SKU CH-E3Y6-Q1HWE

128 GB DDR5 ECC registered kit in four 32 GB modules running at 4800 MT/s with CL40 latency and 1.1 V operation for the ASRock TRX50 WS workstation motherboard

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V

Capacity 128GB 4X32GB

  • 128 GB total capacity across four 32 GB modules
  • DDR5 4800 MT/s speed for high-throughput workloads
  • ECC registered design detects and corrects single-bit errors
  • 1 V operation reduces power draw under load
  • Validated for ASRock TRX50 WS workstation motherboard

128GB DDR5 ECC RDIMM Kit for ASRock TRX50 WS

This 128GB kit contains four 32GB DDR5 4800 registered DIMMs built for the ASRock TRX50 WS workstation motherboard. It targets IT professionals and workstation builders who need error-correcting server memory validated for that specific platform.

128GB Capacity at DDR5 4800 CL40 1.1V

Four single-rank 1Rx4 modules deliver 128GB total capacity at PC5-38400 speed with CL40 latency and 1.10V operation. Registered buffering and ECC protect data integrity under sustained loads, while the 4800 MT/s rate sets the ceiling for bandwidth on this platform.

No Heat Spreaders Included

The modules ship without heat spreaders, relying on chassis airflow for cooling in server and workstation enclosures. The kit provides only the four RDIMMs; no additional cables, software licences or installation tools are bundled.

How it compares

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

Price $3,580.99
Pricier than about 75% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (4 × 32 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $27.98 per GB
Pricier than about 78% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineASRock Server Motherboard Compatible Series Memory
Model nameASRock DDR5 4800 MHz ECC RDIMM Registered Server Memory
Part numberMR38400-314K4
Total capacity128 GB (4 × 32 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
Heat spreaderNo
Memory rank1Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsASRock
In the box
Included items128 GB (4 × 32 GB) DDR5 4800 MHz PC5-38400 1Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Other versions of this model

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Questions about this item

Will the 128GB kit run at 4800 MT/s and CL40 alongside my existing DDR5 ECC RDIMMs?

The modules are rated for DDR5 4800 (PC5-38400) at CL40 and 1.10 V; when installed together the system will operate at the lowest common speed and timing of all populated DIMMs.

How can I verify the kit is operating at DDR5 4800 with ECC active after installation?

Check the BIOS memory information screen or a tool like CPU-Z; it should show 4800 MT/s, CL40, 1.10 V and ECC enabled for each of the four 32 GB modules.

Does the package include only the four 32 GB RDIMMs or are any cables or brackets supplied?

The box contains the 128 GB (4 x 32 GB) DDR5 4800 ECC RDIMM kit only; no extra cables, brackets or accessories are included.

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