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Green rectangular DDR5 RDIMM module with black chips, no heat spreader, 288 gold pins along bottom edge

NEMIX RAM

NEMIX RAM 64GB DDR5 5600 CL46 2Rx4 1.1V ECC RDIMM memory upgrade

SKU CH-YK5B-5F5RW

A 64 GB DDR5 5600 CL46 2Rx4 1.1 V ECC registered DIMM for Hynix-compatible servers

  • Total capacity64 GB
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 64 GB capacity supports heavy server workloads
  • DDR5 5600 speed delivers high memory bandwidth
  • CL46 latency balances timing with stability
  • 1 V operation reduces power draw per module
  • ECC registered design protects data integrity in critical systems

Capacity and Compatibility

This 64GB DDR5 5600 ECC RDIMM module is built for Hynix-compatible server and workstation platforms that require registered memory with error correction. The single-rank 2Rx4 organisation and CL46 latency suit workloads where data integrity and density matter more than low-latency gaming performance. Buyers needing unbuffered DIMMs or non-ECC memory for consumer desktop boards cannot use this module.

Thermals and Power

Operating at 1.1V, the module draws minimal power for its density and runs without a heat spreader, relying on chassis airflow for cooling. Registered buffering adds a small electrical load but reduces signal stress on the memory controller during sustained server workloads. No active cooling or special ventilation beyond standard server airflow is required.

Included Module

The package contains only the 288-pin RDIMM itself; no additional cables, software licences or mounting hardware are supplied. Compatibility is validated against Hynix part numbers HMCG94AGBRA177N, HMCG94AGBRA179N, HMCG94AGBRA181N and HMCG94AGBRA182N, so the module installs directly into qualified systems without firmware updates or configuration utilities.

How it compares

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

Price $2,118.99
Pricier than about 69% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $33.11 per GB
Pricier than about 90% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineHynix Server/Workstaion Compatible Series Memory
Model nameHynix DDR5 5600 MHz ECC RDIMM Registered Server Memory
Part numberMR44800-924K1
Total capacity64 GB
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 5600 (PC5 44800)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL46
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank2Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsHynix
In the box
Included items64 GB (1 × 64 GB) DDR5 5600 MHz PC5-44800 2Rx4 1.1 V CL46 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

How do I install this 288-Pin DDR5 RDIMM and what step is often missed?

Align the notch on the 288-Pin DDR5 RDIMM with the motherboard slot key, press firmly until both side clips click, then verify in BIOS that the module runs at 5600 MT/s and CL46; the step often missed is enabling the registered/ECC profile in BIOS so the server recognises the 2Rx4 organisation.

What maintenance or replacement will this 64GB ECC RDIMM need later?

No routine maintenance is required; the module has no heat spreader, so keep server airflow clean. If a correctable ECC error count rises over time, replace the stick — otherwise it should last the system life.

What limit appears first under sustained load with this 1.1V DDR5 module?

The CAS latency of CL46 at 5600 MT/s is the primary latency bound; sustained throughput is limited by the registered buffer and 2Rx4 rank timing before thermal throttling becomes a factor at 1.1V.

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