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Two green DDR5 RDIMM sticks with black chips no heat spreader

NEMIX RAM

NEMIX RAM DDR5 128GB (2x64GB) 4800MHz CL40 ECC RDIMM IMB-1900/1902 memory upgrade

SKU CH-SVYJ-156TR

128 GB DDR5 ECC registered server memory kit, two 64 GB modules at 4800 MHz CL40 for ASRock Industrial IMB-1900 and IMB-1902

  • Total capacity128 GB (2 × 64 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 128 GB capacity with 2 x 64 GB modules for high-density server workloads
  • DDR5 4800 MHz speed rated at PC5-38400 for fast data throughput
  • ECC and registered design detects errors and reduces electrical load on the memory controller
  • 1 V operating voltage lowers power draw in always-on systems
  • Validated for ASRock Industrial IMB-1900 and IMB-1902 motherboards

NEMIX RAM 128GB DDR5 ECC RDIMM Kit

This registered server memory kit provides 128GB total capacity across two 64GB modules. It is built for ASRock Industrial EATX motherboards IMB-1900 and IMB-1902. The DDR5 4800MHz speed and ECC support suit enterprise workloads that demand data integrity.

288-Pin DDR5 Registered Installation

Modules install directly into the motherboard's DDR5 RDIMM slots; the registered design adds a buffer that stabilises heavy multi-module configurations. Always consult the board manual for population rules and ensure the firmware recognises the 2Rx4 organisation before deployment.

128GB Capacity at 4800MHz CL40

The kit delivers 128GB at PC5-38400 transfer rates with CL40 latency and 1.1V operation. It handles large virtualisation fleets, database buffers and compute clusters comfortably. Workloads exceeding 128GB or requiring speeds above 4800MHz will need additional modules or a faster platform.

How it compares

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

Price $3,519.99
Pricier than about 75% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (2 × 64 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $27.50 per GB
Pricier than about 77% 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 numberMR38400-924K2
Total capacity128 GB (2 × 64 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 rank2Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsASRock Industrial
In the box
Included items128 GB (2 × 64 GB) DDR5 4800 MHz PC5-38400 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

How can I confirm the 128GB kit is running at 4800MHz CL40 after installing it in my IMB-1900?

Enter the system BIOS or use a tool like CPU-Z to verify the memory frequency reads 4800MHz and the CAS latency shows CL40; the registered ECC modules will also report their 2Rx4 organisation.

What exactly ships in the box and is anything else required for installation?

The package contains two 64GB DDR5 4800MHz PC5-38400 2Rx4 1.1V 288-pin ECC RDIMM modules; no additional cables, brackets or heat spreaders are needed or included.

Should I choose this 128GB 2Rx4 kit or a different capacity for my ASRock IMB-1902?

This kit provides 128GB total as two 64GB 2Rx4 registered DIMMs, which matches the motherboard's supported DDR5 ECC RDIMM configuration; select it when you need the full 128GB capacity.

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