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Two green 288-pin DDR4 LRDIMM modules with black chips, no heat spreaders

NEMIX RAM

NEMIX RAM 128GB (2x64GB) DDR4 2400 PC4-19200 CL17 ECC LRDIMM 288-Pin Server Memory Upgrade

SKU CH-PX45-TKY13

128 GB DDR4 ECC load-reduced dual-rank kit running at 2400 MHz with CL17 latency for compatible ASRock server boards

  • Total capacity128 GB (2 × 64 GB)
  • Rated speedDDR4 2400 (PC4 19200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL17
  • Buffer typeLoad Reduced
  • Rated voltage1.2 V

Capacity 128GB 2X64GB

  • 128GB kit expands server capacity for heavy workloads
  • Two 64GB LRDIMM modules deliver high density per slot
  • DDR4 2400 PC4-19200 speed supports demanding data throughput
  • ECC and load-reduced design protect data integrity under load
  • 20V operation and CL17 latency balance efficiency with responsiveness

128 GB DDR4 LRDIMM Kit for ASRock Server

This 128 GB kit contains two 64 GB DDR4 2400 LRDIMM modules rated at PC4-19200 with CL17 latency. Each module operates at 1.2 V and uses a 288-pin load-reduced design with ECC for error correction. The kit is built for the ASRock Rack EPYCD8-2T motherboard and uses major OEM chips from Samsung, Micron or Hynix.

Suited for memory expansion on the named ASRock

Builders upgrading that specific motherboard can add 128 GB of registered ECC capacity in a matched pair. The load-reduced architecture helps signal integrity at high density. Systems requiring unbuffered UDIMMs, standard RDIMMs, or speeds other than 2400 MT/s cannot use these modules.

Straightforward DIMM installation

Power down the server, open the chassis and align each 288-pin module with the motherboard slots. Press firmly until the retention clips engage on both sides. Common issues include mixing LRDIMMs with other DIMM types, populating slots in the wrong order for the platform, or failing to update the BIOS before adding high-capacity memory.

How it compares

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

Price $450.99
Typical for this category: the median of 21,161 items is $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 $3.52 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 numberML19200-944K2
Total capacity128 GB (2 × 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 items128 GB (2 × 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

5 more in the same range

Questions about this item

Does this 288‑pin LRDIMM kit require an ASRock Rack EPYCD8‑2T motherboard to operate?

The kit is validated for the ASRock Rack EPYCD8‑2T; other DDR4 LRDIMM platforms may work but are not confirmed by the supplier.

Can I mix these 4Rx4 2400 MHz modules with existing 2Rx4 DDR4‑2666 RDIMMs in the same server?

Mixing LRDIMMs with RDIMMs or different ranks and speeds is not supported; the system will default to the lowest common speed or fail to post.

How do I confirm the 128 GB kit is running at CL17 1.20 V after installation?

Enter the BIOS or use a hardware‑monitoring tool; the memory information screen should show 2400 MHz, CL17 latency and 1.20 V on both 64 GB modules.

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