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NEMIX RAM

NEMIX RAM 512GB (8×64GB) DDR4 2400 CL17 ECC LRDIMM 288-pin memory upgrade

SKU CH-SB4J-ASMA0

Eight 64 GB DDR4 2400 CL17 ECC LRDIMM modules deliver 512 GB of load-reduced server memory for ASRock Rack EPYC platforms

  • Total capacity512 GB (8 × 64 GB)
  • Rated speedDDR4 2400 (PC4 19200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL17
  • Buffer typeLoad Reduced
  • Rated voltage1.2 V

Capacity 512GB 8X64GB

  • 512 GB total capacity across eight 64 GB modules
  • DDR4 2400 speed with CL17 latency for responsive server workloads
  • ECC load-reduced DIMM design maintains data integrity under heavy load
  • 2 V operation reduces power draw in dense configurations
  • Validated for ASRock Rack ROMED8-2T with AMD EPYC platform

Server memory kit for EPYC platforms

This NEMIX RAM kit delivers 512GB of DDR4 capacity across eight 64GB LRDIMM modules. It is built for ASRock Rack ROMED8-2T motherboards running AMD EPYC processors that require registered ECC memory. The load-reduced design helps signal integrity when all DIMM slots are populated. IT teams specify it for virtualisation hosts and database servers that need maximum memory density.

Fits 288-pin DDR4 slots on qualified ASRock server

Each module operates at 1.2V with CL17 timing at the rated 2400 speed. The 4Rx4 organisation allows the memory controller to address the full 512GB without exceeding rank limits on supported platforms. ECC and the load-reduced buffer free the CPU memory controller from driving heavy electrical loads across every channel. No heat spreaders are fitted, so airflow through the server chassis must pass directly over the DRAM packages.

Runs at standard 1.2V DDR4 voltage with no spreaders

Power draw scales with the eight-module population but stays within the DDR4 1.2V specification. Because the modules lack integrated heat spreaders, case fans must supply enough airflow to keep DRAM temperatures in spec under sustained load. The load-reduced buffer reduces electrical loading on the data bus, which can lower overall system power compared to standard registered DIMMs at the same capacity. Acoustic profile follows the server chassis fan curve rather than the memory itself.

How it compares

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

Price $1,908.99
Pricier than about 68% of the 21,161 comparable items (median $397.99).
Total capacity 512 GB (8 × 64 GB)
Higher than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $3.73 per GB
Cheaper than about 86% 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 DDR4 2666 MHz ECC LRDIMM Load Reduced Server Memory
Part numberML19200-944K8
Total capacity512 GB (8 × 64 GB)
Product type288-Pin DDR4 LRDIMM
Performance
Rated speedDDR4 2400 (PC4 19200)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL17
ECC supportYes
Buffer typeLoad Reduced
Heat spreaderNo
Memory rank4Rx4
Power
Rated voltage1.2 V
Compatibility
Compatible systemsASRock
In the box
Included items512 GB (8 × 64 GB) DDR4 2400 MHz PC4-19200 4Rx4 1.2 V CL17 288-PIN ECC LRDIMM Load Reduced Server Memory KIT

Other versions of this model

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Questions about this item

Will the CL17 latency limit throughput on a 2400 MT/s EPYC server?

CL17 is the rated CAS latency for these DDR4 2400 modules; the EPYC memory controller runs them at the specified 2400 MT/s with ECC and load-reduced buffering.

How much heat and power do eight 64 GB LRDIMMs draw at 1.2 V all day?

Each module operates at 1.20 V; eight 4Rx4 LRDIMMs typically draw a few watts per stick under load, so total heat stays within normal server DIMM limits.

Does the ASRock ROMED8-2T need a specific BIOS version or CPU stepping for this 512 GB kit?

The kit is validated for the ASRock Rack ROMED8-2T with AMD EPYC processors; follow the motherboard manual for memory population rules.

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