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Green printed circuit board with black memory chips, gold edge connector, no heat spreader

NEMIX RAM

NEMIX RAM 64GB DDR5 5600 ECC RDIMM CL46 2Rx4 1.1V 288-pin ASRock WRX90 WS EVO memory upgrade

SKU CH-34D9-BKM3G

64 GB DDR5 5600 ECC registered DIMM for ASRock WRX90 WS EVO motherboards

  • Total capacity64 GB
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Buffer typeRegistered
  • Rated voltage1.1 V

Capacity 64GB

  • 64GB capacity expands server memory headroom
  • DDR5 5600 speed delivers high bandwidth throughput
  • ECC registered design protects data integrity
  • 1V operation reduces power consumption
  • Validated for ASRock WRX90 WS EVO compatibility

ASRock WRX90 WS EVO DDR5 upgrade

This 64 GB DDR5 ECC RDIMM is built for the ASRock WRX90 WS EVO motherboard and targets workstations that need registered memory with error correction. It runs at 5600 MT/s with a CL46 latency and operates at 1.1 V using a 2Rx4 organisation.

Sustained load behaviour with ECC RDIMM

Registered buffering and on-die ECC keep data integrity stable during long compute sessions such as rendering, simulation or database work. The module is stress tested under load so that signal quality on the 288-pin interface remains consistent when all channels are populated.

DDR5 5600 practical limits

The PC5-44800 rating sets the maximum theoretical bandwidth for this speed grade, so throughput cannot exceed that ceiling regardless of how many modules are installed. Builders who need more capacity must add further RDIMMs rather than rely on a single stick, and the registered design prevents use in consumer boards that expect unbuffered DIMMs.

How it compares

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

Price $2,083.99
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 $32.56 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 lineASRock Server Motherboard Compatible Series Memory
Model nameASRock 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 systemsASRock
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

Other versions of this model

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Questions about this item

How much power does the 64GB DDR5 5600 ECC RDIMM draw at its 1.1V rating when running continuously?

The module operates at 1.1V, the standard voltage for DDR5 RDIMMs, keeping power draw low during sustained workloads.

Does the ASRock WRX90 WS EVO motherboard need to support registered ECC DDR5 RDIMMs for this 64GB kit to function?

Yes, the board must accept 288-pin DDR5 RDIMMs with ECC and registered buffering; the WRX90 WS EVO is the validated platform.

Can I add this CL46 2Rx4 module alongside existing DDR5 RDIMMs of different speeds or ranks on the same WRX90 WS EVO board?

The motherboard will train all installed DDR5 RDIMMs to a common speed and timing; mixing ranks or speeds is supported but runs at the slowest module's settings.

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