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Four green DDR4 LRDIMM modules with black chips, no heat spreaders, 288 pins each

NEMIX RAM

NEMIX RAM 256GB (4x64GB) DDR4 2400 CL17 ECC LRDIMM memory upgrade

SKU CH-SC42-D8QGJ

Four 64 GB DDR4 2400 CL17 ECC LRDIMM modules giving 256 GB at 1.2 V for ASRock EPYC server boards

  • Total capacity256 GB (4 × 64 GB)
  • Rated speedDDR4 2400 (PC4 19200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL17
  • Buffer typeLoad Reduced
  • Rated voltage1.2 V

Capacity 256GB 4X64GB

  • 256 GB total capacity with four 64 GB modules
  • DDR4 2400 speed rated at PC4-19200 bandwidth
  • ECC and load-reduced design for server reliability
  • CL17 latency at 1.2 V operating voltage
  • 288-pin 4Rx4 LRDIMM form factor for compatible ASRock EPYC boards

Server memory kit for EPYC platforms

This 256 GB kit contains four 64 GB DDR4 2400 LRDIMM modules built for ASRock Rack ROMED8-2T motherboards. It targets administrators who need maximum capacity in a single server chassis.

Load-reduced 4Rx4 organisation at 1.2 V

The modules use a 4Rx4 layout with ECC and operate at 1.2 V, a combination that only works on platforms qualified for DDR4 LRDIMM memory. Verify the motherboard QVL before ordering.

Standard JEDEC voltage keeps thermals predictable

At the rated 1.2 V the kit runs within normal DDR4 server power envelopes. No heat spreaders are fitted, so airflow across the DIMM slots determines operating temperature and acoustic profile.

How it compares

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

Price $880.99
Pricier than about 59% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (4 × 64 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $3.44 per GB
Cheaper than about 87% 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 numberML19200-944K4
Total capacity256 GB (4 × 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 items256 GB (4 × 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

What does the 2400 MT/s rating mean once the kit is installed in the ASRock Rack ROMED8-2T?

The four 64 GB modules run at DDR4 2400 (PC4-19200) with CL17 latency, delivering 256 GB of ECC load-reduced capacity for the EPYC platform.

How does the 288-pin DDR4 LRDIMM interface limit performance on this board?

The 288-pin LRDIMM socket caps the kit at 2400 MT/s even though the motherboard supports up to 2666 MT/s.

What physical clearance does the 4Rx4 288-pin LRDIMM need in the server chassis?

Each 64 GB stick is a standard-height 288-pin LRDIMM with no heat spreader, so it fits the ROMED8-2T DIMM slots without extra clearance.

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