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Two green DDR5 RDIMM modules with black chips, no heat spreaders

NEMIX RAM

NEMIX RAM 256GB (2x128GB) DDR5 5600 CL46 288-pin ECC RDIMM memory upgrade

SKU CH-2349-ZAWKW

256 GB DDR5 5600 ECC RDIMM kit with CL46 latency for ASUS Pro WS WRX90E SAGE SE workstations

  • Total capacity256 GB (2 × 128 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Buffer typeRegistered
  • Rated voltage1.1 V

Capacity 256GB 2X128GB

  • 256 GB total capacity from two 128 GB modules
  • DDR5 5600 speed rated at PC5 44800
  • ECC registered RDIMM protects data integrity
  • CL46 CAS latency at 1.1 V operation
  • Validated for ASUS Pro WS WRX90E SAGE SE workstation

ASUS WRX90E SAGE SE compatible kit

This 256 GB kit contains two 128 GB DDR5 RDIMM modules built for the ASUS Pro WS WRX90E SAGE SE workstation motherboard. Each module is a 4Rx4 registered ECC DIMM rated at 5600 MT/s with CL46 latency. The kit targets IT professionals who need maximum registered memory capacity in a validated configuration.

Thermals and power in normal use

Operating at 1.1 V, the modules draw minimal power for their density and run without heat spreaders. Registered buffering and ECC logic add negligible latency while maintaining signal integrity under sustained server workloads. Passive cooling in a chassis with adequate airflow keeps temperatures within JEDEC limits.

Deciding specification: 288-pin DDR5 RDIMM form

Only motherboards that accept 288-pin DDR5 registered ECC DIMMs can use this kit; consumer boards and unbuffered SO-DIMM slots are physically and electrically incompatible. Buyers who need unbuffered memory or a different pin count must choose another product.

How it compares

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

Price $8,435.99
Pricier than about 85% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (2 × 128 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $32.95 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 lineASUS Server Motherboard Compatible Series Memory
Model nameASUS DDR5 5600 MHz ECC RDIMM Registered Server Memory
Part numberMR44800-744K2
Total capacity256 GB (2 × 128 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 rank4Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsASUS
In the box
Included items256 GB (2 × 128 GB) DDR5 5600 MHz PC5-44800 4Rx4 1.1 V CL46 288-PIN ECC RDIMM Registered Server Memory KIT

Other versions of this model

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Questions about this item

How do I install the 288-pin DDR5 RDIMM modules on the ASUS Pro WS WRX90E SAGE SE?

Power down the workstation, open the chassis, align each module's notch with the slot key, press firmly until both retention clips click, then verify 256 GB appears in BIOS.

What maintenance or replacement will the ECC RDIMM kit need later?

No routine maintenance is required; if a module fails, replace the defective 128 GB stick — ECC corrects single-bit errors and logs multi-bit events for early warning.

What limit appears first under sustained load with the 1.1 V CL46 4Rx4 modules?

Thermal throttling on the dense 4Rx4 chips is the first ceiling; ensure case airflow keeps module temperature within JEDEC limits.

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