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Two green DDR4 RDIMM modules with gold contacts and black chips, no heat spreaders

NEMIX RAM

NEMIX RAM 128GB 2x64GB DDR4 3200 ECC RDIMM 4Rx4 CL22 ThinkMate Series

SKU CH-88WJ-ZM88S

Two 64 GB DDR4 3200 ECC registered RDIMMs totalling 128 GB for ThinkMate rackmount servers

  • Total capacity128 GB (2 × 64 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeRegistered
  • Rated voltage1.2 V
  • 128 GB capacity across two 64 GB modules
  • DDR4 3200 speed rated at PC4-25600
  • ECC registered design protects data integrity
  • 2 V operation reduces power draw
  • Qualified for ThinkMate RAX-XS4 and RAX-XH2 servers

128GB DDR4 3200 ECC RDIMM Kit

This 128GB kit comprises two 64GB DDR4 3200 registered DIMMs built for ThinkMate rackmount servers. It targets administrators who need validated ECC memory for the RAX-XS4-21S1-10G, RAX-XS4-11S1-10G or RAX-XH2-11S3 platforms. Modules run at 1.2V with CL22 latency and a 4Rx4 organisation.

Capacity and headroom for dense workloads

The 128GB total (2 x 64GB) suits virtualisation hosts, database nodes or analytics appliances that benefit from large memory pools. Four-rank density maximises capacity per slot, though it can limit maximum DIMM count per channel on some motherboards. Workloads exceeding 128GB will require additional kits or higher-density modules not included here.

Registered design with standard 288-pin layout

Registered buffering and on-die ECC protect data integrity in continuous-duty environments. The 288-pin DDR4 form factor fits compatible ThinkMate server boards without adapters. No heat spreader is fitted, so airflow across the modules must be maintained by the chassis design. Buyers needing passive cooling or alternative form factors should verify chassis clearance first.

How it compares

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

Price $871.99
Pricier than about 59% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (2 × 64 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $6.81 per GB
Cheaper than about 58% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameNEMIX RAM
Product lineTHINKMATE Server/Workstation Compatible Series Memory
Model nameTHINKMATE DDR4 3200 MHz ECC RDIMM Registered Server Memory
Part numberMR25600-944K2
Total capacity128 GB (2 × 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 items128 GB (2 × 64 GB) DDR4 3200 MHz PC4-25600 4Rx4 1.2 V CL22 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Will the 4Rx4 registered DIMMs work with the 1Rx4 modules already in my ThinkMate server?

Registered 4Rx4 modules can be mixed with 1Rx4 DIMMs if the server's memory controller supports mixed-rank populations; check the ThinkMate RAX-XS4-21S1-10G manual for the approved slot order and maximum total ranks per channel.

How can I confirm the kit is running at DDR4 3200 with ECC active after installation?

Enter the BIOS or use a tool such as dmidecode on Linux; verify the reported speed shows 3200 MT/s, the type reads DDR4 ECC Registered, and the module part number MR25600-944K2 appears for both 64 GB sticks.

Does the package include any heat spreaders or extra mounting hardware for the 288-pin RDIMMs?

The box contains only the two 64 GB DDR4 3200 ECC registered RDIMMs; no heat spreaders, brackets or additional accessories are supplied.

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