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Two green DDR5 RDIMM modules, black chips, no heat spreader

NEMIX RAM

NEMIX RAM 64GB 2x32GB DDR5 4800 CL40 ECC RDIMM ThinkMate Server

SKU CH-HPCD-91GAN

64 GB dual-channel DDR5-4800 ECC registered kit with CL40 timing and 1.1 V operation for ThinkMate servers

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • ECC protection prevents data corruption in critical workloads
  • Registered design stabilises signal integrity on dense server boards
  • DDR5 4800 speed delivers 38400 MB/s bandwidth for demanding applications
  • 64 GB kit (2 × 32 GB) scales memory capacity for virtualisation
  • 1 V operation reduces power draw in 24/7 environments

System-specific DDR5 ECC RDIMM kit

This NEMIX RAM kit provides 64 GB of DDR5 4800 registered ECC memory in a matched pair of 32 GB modules. It is built for ThinkMate server and workstation platforms that require 288-pin RDIMM modules with error correction. The modules operate at 1.1 V with CL40 latency and use a 2Rx8 organisation.

Suited for ThinkMate RAX and Q-series servers

This memory fits administrators upgrading ThinkMate RAX-QE12, QS12, QH12, QT12, QT16, QH24, QH4, QN12 or QH8 systems that support DDR5 RDIMM slots. It is not for desktop motherboards, laptops or any platform that accepts only unbuffered UDIMM modules or a different DDR generation.

Registered ECC with 2Rx8 organisation

The decisive specification is the registered ECC RDIMM design with 2Rx8 rank structure, which the target ThinkMate server chipsets require for stability and capacity scaling. Buyers whose systems need UDIMM, LRDIMM or a different rank configuration must choose another part.

How it compares

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

Price $1,866.99
Pricier than about 67% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (2 × 32 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $29.17 per GB
Pricier than about 83% 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 numberMR38400-328K2
Total capacity64 GB (2 × 32 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 rank2Rx8
Power
Rated voltage1.1 V
Compatibility
Compatible systemsTHINKMATE
In the box
Included items64 GB (2 × 32 GB) DDR5 4800 MHz PC5-38400 1Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Does the 288-pin DDR5 RDIMM fit the ThinkMate RAX-QE12 server?

Yes, the 288-pin DDR5 RDIMM is built for ThinkMate RAX-QE12, QS12, QH12, QT12, QT16, QH24, QH4, QN12 and QH8 servers.

What is the correct slot order when installing the two 32 GB modules?

Install the two 32 GB modules in the channels specified by the ThinkMate motherboard manual; the common mistake is populating a single channel instead of using both channels.

Will the Samsung, Micron or Hynix chips on these ECC RDIMMs need replacement?

The ECC RDIMMs are stress-tested for server workloads and are not a scheduled replacement item; replace only if a module fails.

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