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Four green DDR4 RDIMM sticks with black chips, no heat spreaders, 288-pin form factor

NEMIX RAM

NEMIX RAM 256GB (4x64GB) DDR4 3200 CL22 ECC RDIMM memory upgrade

SKU CH-3K4N-P7W23

256 GB kit of four 64 GB DDR4 3200 CL22 ECC registered DIMMs for ThinkMate GPU-optimised servers

  • Total capacity256 GB (4 × 64 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeRegistered
  • Rated voltage1.2 V
  • 256 GB total capacity across four 64 GB modules
  • DDR4 3200 speed rated at PC4-25600 bandwidth
  • ECC registered design detects and corrects data errors
  • Low 1.2 V operation reduces server power draw
  • Validated for ThinkMate GPX-QS4 and GPX-QT8 GPU-optimised servers

256GB DDR4 3200 ECC RDIMM Kit

This NEMIX RAM kit provides 256GB of DDR4 3200 memory across four 64GB registered DIMMs. It operates at 1.2V with CL22 latency and uses 4Rx4 organisation. The modules are ECC registered for data integrity in server workloads. They are validated for ThinkMate GPU-optimised server platforms.

Suited for ThinkMate GPX-QS4-12E2-4GPU

This memory fits administrators expanding capacity in the named ThinkMate GPU-optimised servers. It is not for systems that require unbuffered UDIMMs or non-ECC modules. Buyers needing different speeds, voltages or form factors should look elsewhere.

4Rx4 Registered ECC Configuration

Each 64GB module uses a 4Rx4 rank structure with registered ECC signalling. This organisation determines electrical loading on the memory bus and must match the platform's qualified vendor list. Verify that your ThinkMate server supports 4Rx4 registered DIMMs before purchase.

How it compares

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

Price $1,949.99
Pricier than about 68% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (4 × 64 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $7.62 per GB
Typical for this category: the median of 20,941 items is $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 numberMR25600-944K4
Total capacity256 GB (4 × 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 rank4Rx4
Power
Rated voltage1.2 V
Compatibility
Compatible systemsTHINKMATE
In the box
Included items256 GB (4 × 64 GB) DDR4 3200 MHz PC4-25600 4Rx4 1.2 V CL22 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Does this kit need a Thinkmate GPX-QS4-12E2-4GPU or GPX-QT8-22E2-8GPU server to operate?

The memory is validated for those Thinkmate GPU-optimised servers; other systems must accept 288-pin DDR4 3200 ECC registered RDIMMs at 1.20 V with 4Rx4 organisation.

Can I mix these 64 GB modules with existing lower-capacity DDR4 RDIMMs in the same server?

Mixing different capacities or ranks is possible only if the motherboard and BIOS support heterogeneous population rules; the kit itself is four matched 64 GB 4Rx4 modules.

How do I confirm the full 256 GB kit is running at 3200 MT/s with ECC active after installation?

Check the BIOS memory information or operating-system tools for 3200 MT/s speed, CL22 timings, registered ECC status and all four 64 GB modules recognised.

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