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Two green DDR5 RDIMM modules with gold contacts and black chips, no heat spreader

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR5 4800 CL40 ECC RDIMM THINKMATE

SKU CH-KSK1-MMX7J

Adds 64 GB of DDR5 ECC registered memory at 4800 MHz CL40 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
  • 64 GB capacity across two 32 GB modules
  • DDR5 4800 speed for high-throughput server workloads
  • ECC registered design protects data integrity under load
  • 1 V operation reduces power draw per module
  • Validated for ThinkMate HDX-QN8-52E4 high-density servers

Capacity & Form Factor

This kit supplies 64 GB of DDR5 memory in a matched pair of 32 GB modules. Each stick is a 288-pin registered DIMM built for server and workstation boards that require ECC and registered signalling.

Suited For & Not Suited For

It fits administrators upgrading Thinkmate HDX-QN8-52E4 high-density servers or compatible workstations needing registered ECC memory at 4800 MT/s. Builders using consumer desktop boards, unbuffered-only platforms or laptops cannot use these modules.

What The Kit Changes

Two pre-matched 32 GB RDIMMs arrive ready for dual-channel population, eliminating the need to source identical sticks separately. The registered buffer and on-die ECC improve data integrity under sustained loads, while the 1.1 V operating voltage keeps power draw within DDR5 server specifications.

How it compares

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

Price $1,891.99
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 $29.56 per GB
Pricier than about 84% 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

Which server platform must I already own for this 2Rx8 DDR5 4800 ECC RDIMM kit to be compatible?

The modules are validated for THINKMATE HDX-QN8-52E4 high-density servers, so that platform must be present for guaranteed operation.

If I keep existing DDR5 4800 RDIMMs in the same chassis, how will this CL40 2Rx8 kit behave alongside them?

The memory controller will run all populated slots at the lowest common speed and latency, so older DDR5 4800 RDIMMs will operate together with this kit at 4800 MT/s CL40.

After installation, what POST indication confirms the 64 GB kit is detected as registered ECC memory?

The firmware memory map should show 64 GB total, list each DIMM as 32 GB 2Rx8 RDIMM, and report ECC active at 4800 MT/s.

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