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Two green DDR4 RDIMM modules without heat spreaders

NEMIX RAM

NEMIX RAM 128GB (2x64GB) DDR4 3200 CL22 2Rx4 1.2V ECC RDIMM memory upgrade

SKU CH-MEZ0-GWN8Q

Dual-rank 64 GB DDR4 ECC RDIMM modules running at 3200 MHz with CL22 latency for ASUS WRX80E-SAGE SE WiFi servers

  • Total capacity128 GB (2 × 64 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeRegistered
  • Rated voltage1.2 V
  • 128 GB capacity from two 64 GB modules
  • DDR4 3200 speed rated at PC4-25600 bandwidth
  • ECC registered design detects and corrects data errors
  • 2 V operation lowers server power draw
  • Validated for ASUS Pro WS WRX80E-SAGE SE WiFi motherboard

128GB DDR4 ECC RDIMM Kit

This 128GB kit contains two 64GB registered DDR4 modules built for the ASUS Pro WS WRX80E-SAGE SE WiFi motherboard. It targets IT professionals and workstation builders who need error-correcting memory for mission-critical server workloads. The modules operate at 1.20V and carry a CL22 latency rating.

Capacity and registered buffering

Each 64GB module uses a 2Rx4 organisation to deliver high density within the DDR4 standard. The registered design reduces electrical load on the memory controller, allowing the full 128GB kit to run stably at 3200MT/s. Systems that require non-registered UDIMMs or lower-density modules cannot use this kit.

DDR4 3200 interface limits

The PC4-25600 interface caps bandwidth at the DDR4 3200 data rate, so workloads that scale beyond this throughput will hit the bus ceiling. The 288-pin RDIMM form factor fits only DDR4 RDIMM slots and is physically incompatible with UDIMM, SO-DIMM or DDR5 sockets.

How it compares

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

Price $857.99
Pricier than about 59% of the 21,161 comparable items (median $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 $6.70 per GB
Cheaper than about 59% 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 DDR4 3200 MHz ECC RDIMM Registered Server Memory
Part numberMR25600-924K2
Total capacity128 GB (2 × 64 GB)
Product type288-Pin DDR4 RDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL22
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank2Rx4
Power
Rated voltage1.2 V
Compatibility
Compatible systemsASUS
In the box
Included items128 GB (2 × 64 GB) DDR4 3200 MHz PC4-25600 2Rx4 1.2 V CL22 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Will the 2Rx4 registered DIMMs run with other DDR4 3200 ECC RDIMMs already in my ASUS Pro WS WRX80E-SAGE SE WiFi system?

Yes, the kit uses standard DDR4 3200 PC4-25600 1.2V CL22 2Rx4 registered ECC modules; matching rank, voltage, speed and ECC type lets them operate alongside identical spec DIMMs.

How can I confirm the 128GB kit is running at 3200 MT/s with ECC active after installation?

Check the BIOS memory information or UEFI POST screen for 3200 MT/s, CL22 timings, 1.20V and ECC enabled; OS tools such as dmidecode or CPU-Z will also show 2Rx4 registered ECC at the rated speed.

Does the package include only the two 64GB RDIMMs or are heat spreaders and installation tools also supplied?

The box contains only the two 64GB 288-pin DDR4 3200 CL22 1.2V 2Rx4 ECC registered DIMMs; no heat spreaders, tools or extra accessories are included.

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