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Four green DDR4 RDIMM modules in a kit

NEMIX RAM

NEMIX RAM 64GB (4x16GB) DDR4 3200 CL22 ECC RDIMM ThinkMate GPX-XS12-24S3-8GPU memory upgrade

SKU CH-ZNHY-QDSF2

64 GB kit of four 16 GB DDR4 3200 ECC registered DIMMs for ThinkMate GPX-XS12-24S3-8GPU servers

  • Total capacity64 GB (4 × 16 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeRegistered
  • Rated voltage1.2 V
  • ECC protection prevents data errors in critical workloads
  • Registered design stabilises signal integrity on 4-module kits
  • 3200 MT/s throughput matches ThinkMate GPX server specs
  • 2 V operation reduces power draw per module
  • 288-pin DDR4 RDIMM form factor fits target slots

System-Specific DDR4 RDIMM Kit

This 64 GB kit contains four 16 GB DDR4 3200 registered ECC modules built for ThinkMate GPX-XS12-24S3-8GPU GPU-optimised servers. Each stick runs at 1.2 V with CL22 latency and a 2Rx8 organisation. The modules use major OEM Samsung, Micron or Hynix chips and carry a 288-pin RDIMM form factor.

Registered ECC Integration

Registered buffering reduces electrical load on the server memory controller, allowing all four slots to be populated without signal degradation. ECC protection corrects single-bit errors to maintain data integrity during sustained compute tasks. The 1.2 V operation matches standard DDR4 server voltage rails and requires no additional cooling hardware.

Sustained Load Stability

All modules are stress-tested under load before shipment to verify reliable operation during extended GPU-accelerated workloads. The registered design and ECC circuitry work together to prevent soft errors that can accumulate over long training or rendering runs. Lifetime replacement coverage backs the validated stability.

How it compares

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

Price $464.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 64 GB (4 × 16 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $7.27 per GB
Cheaper than about 56% 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 DDR4 3200 MHz ECC RDIMM Registered Server Memory
Part numberMR25600-628K4
Total capacity64 GB (4 × 16 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 rank2Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsTHINKMATE
In the box
Included items64 GB (4 × 16 GB) DDR4 3200 MHz PC4-25600 2Rx8 1.2 V CL22 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Does the DDR4 3200 CL22 latency limit throughput during sustained workloads?

CL22 at 3200 MHz is the rated timing; sustained throughput follows the PC4-25600 bandwidth of the four 16 GB modules.

How much heat and power do the four 1.20 V registered DIMMs produce when running all day?

Each module operates at 1.20 V without a heat spreader; total power scales with the 64 GB kit under load.

Must the ThinkMate GPX-XS12-24S3-8GPU already have 288-pin DDR4 RDIMM slots to accept this kit?

Yes, the server needs four 288-pin DDR4 RDIMM slots for the 2Rx8 registered modules.

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