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Two green DDR5 RDIMM modules, bare circuit boards with gold edge connectors, 128GB kit

NEMIX RAM

NEMIX RAM 128GB (2x64GB) DDR5 4800 ECC RDIMM CL40 2Rx4 THINKMATE GPX-WS-740RTP7 memory upgrade

SKU CH-GCM5-A41DM

128 GB DDR5 4800 ECC registered server memory kit with two 64 GB modules at CL40 and 1.1 V for Thinkmate GPX-WS-740RTP7 workstations

  • Total capacity128 GB (2 × 64 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 128 GB capacity across two 64 GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • ECC registered design protects data integrity
  • Low 1.10 V operation reduces power draw
  • Validated for ThinkMate GPX-WS-740RTP7 workstation

Capacity and configuration

This kit delivers 128GB of DDR5 memory in two 64GB modules, running at 4800 MT/s with a CL40 latency. It uses registered ECC RDIMMs built for ThinkMate GPX-WS-740RTP7 workstations and servers.

Ideal fit and limitations

It suits administrators expanding memory in the listed ThinkMate platform where registered ECC DDR5 is required. It is not for systems that accept only unbuffered UDIMMs, platforms limited to lower densities, or builds needing heat spreaders on every module.

Deciding specification

The registered ECC RDIMM design combined with 2Rx4 organisation determines compatibility; only motherboards qualified for this module type and rank structure will post and run stably.

How it compares

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

Price $3,178.99
Pricier than about 73% 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 $24.84 per GB
Pricier than about 69% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineTHINKMATE Server/Workstation Compatible Series Memory
Model nameTHINKMATE DDR5 4800 MHz ECC RDIMM Registered Server Memory
Part numberMR38400-924K2
Total capacity128 GB (2 × 64 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank2Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsTHINKMATE
In the box
Included items128 GB (2 × 64 GB) DDR5 4800 MHz PC5-38400 2Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

How much power does each 64 GB DDR5 4800 module draw at its rated 1.10 V?

Each module operates at 1.10 V, the standard voltage for DDR5 RDIMMs, so power draw stays within normal DDR5 limits for 4800 MT/s registered DIMMs.

What motherboard slot and chipset support are required to install this 288-pin ECC RDIMM kit?

You need a motherboard with 288-pin DDR5 RDIMM slots that accepts registered ECC memory and is validated for the THINKMATE GPX-WS-740RTP7 workstation platform.

Can the 2Rx4 64 GB sticks run alongside older 1Rx8 or 2Rx8 DDR5 RDIMMs in the same server?

Mixing ranks is possible if the motherboard supports mixed-rank populations, but the 2Rx4 organization here may require specific slot placement per the system manual.

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