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Four green DDR4 RDIMM sticks in anti-static bags

NEMIX RAM

NEMIX RAM 64GB (4×16GB) DDR4 3200 PC4-25600 CL22 288-Pin ECC RDIMM ThinkMate MR25600-628K4 memory upgrade

SKU CH-E52X-E5NSW

A 64 GB registered ECC DDR4 kit running at 3200 MT/s with CL22 latency for ThinkMate workstations

  • 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 corruption in critical workloads
  • Registered design stabilises signal integrity on heavily loaded servers
  • 64 GB kit (4 × 16 GB) expands capacity for virtualization
  • DDR4 3200 speed matches ThinkMate platform specifications
  • 2 V operation reduces power draw under sustained load

64GB ECC RDIMM kit for ThinkMate servers

This 64GB kit contains four 16GB DDR4 3200 registered ECC modules built for ThinkMate STX-WS-QS12-12E2 and STX-WS-QE36-14E2 platforms. It targets administrators who need validated, registered memory for mission-critical Windows NAS or workstation deployments.

Capacity and headroom at CL22 3200

Four ranks of 2Rx8 chips deliver 64GB total at 1.20V with CL22 latency, giving ample headroom for virtualization, database caching and multi-user file services. Workloads that exceed 64GB or require faster than 3200 MT/s will need a larger kit or a higher-speed platform.

Registered build with 288-pin DDR4 fit

Modules use major OEM Samsung, Micron or Hynix ICs on a registered 288-pin PCB without heat spreaders, ensuring signal integrity in dense server chassis. The RDIMM register adds one cycle of buffering, so the platform must support registered ECC memory; unbuffered consumer boards will not accept these modules.

How it compares

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

Price $443.99
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 $6.94 per GB
Cheaper than about 58% 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

Will these four 16 GB DDR4 3200 ECC RDIMM modules run alongside existing 16 GB sticks in my ThinkMate server?

Yes — the kit is built for ThinkMate STX-WS-QS12-12E2 and STX-WS-QE36-14E2 systems, so matching 288-pin DDR4 3200 ECC registered modules will operate together at the rated 1.20 V CL22 settings.

How can I confirm the 64 GB kit is running at 3200 MT/s with ECC active after installation?

Enter the BIOS or UEFI and verify the memory speed reads 3200 MT/s (PC4-25600) and that ECC status shows enabled; the registered 2Rx8 modules will also report the correct 1.20 V voltage.

What exactly ships in the MR25600-628K4 package and do I need any extra parts?

The box contains four 16 GB DDR4 3200 ECC RDIMM modules — 64 GB total — with no heat spreaders; no cables, brackets or additional components are required for installation.

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