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Two green DDR4 RDIMM sticks, black chips, no heat spreader

NEMIX RAM

NEMIX RAM 128GB (2x64GB) DDR4 3200 PC4-25600 CL22 4Rx4 1.2V 288-pin ECC RDIMM memory upgrade

SKU CH-3NWZ-H7BJV

A 128 GB DDR4 ECC RDIMM kit running at 3200 MHz with CL22 latency 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
  • 20 V operation reduces power draw
  • Validated for Thinkmate RAX-PT rackmount servers

ThinkMate Server Memory Upgrade

This 128GB kit contains two 64GB DDR4 3200 registered DIMMs built for ThinkMate rackmount servers. ECC and registered operation protect data integrity in mission-critical workloads. Modules run at 1.2V with CL22 latency and a 4Rx4 organisation. The kit is validated for the RAX-PT10-11A1, RAX-PT8-12A1 and RAX-PT12-12A1 platforms.

Suited For And Not Suited For

IT teams expanding memory in the listed ThinkMate servers will find a direct fit. Buyers who need unbuffered UDIMMs for workstation or desktop boards cannot use this registered kit. Systems limited to lower ranks or smaller capacities should verify motherboard qualification first. The absence of a heat spreader may affect airflow in densely populated chassis.

Deciding Specification Registered ECC RDIMM

Registered ECC RDIMM architecture is the single factor that determines compatibility. Only motherboards designed for registered DDR4 modules with 4Rx4 organisation will accept these DIMMs. Confirm the server manual specifies RDIMM support before ordering.

How it compares

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

Price $917.99
Pricier than about 60% 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 $7.17 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 numberMR25600-944K2
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

How do I install the 288-pin DDR4 RDIMM modules into the ThinkMate server and what step is commonly missed?

Power off the server, open the chassis, align each 64GB module with the slot key, press firmly until the ejector tabs click, then verify in BIOS that both 4Rx4 ranks are recognised at 3200 MT/s.

What maintenance or replacement will the 128GB ECC registered kit need over its service life?

No routine maintenance is required; the modules carry a lifetime replacement warranty, so a failed stick is swapped rather than serviced.

What limit appears first when the 4Rx4 1.2V RDIMMs run sustained workloads?

The four-rank-per-module density caps maximum capacity per channel before bandwidth or thermal limits become binding.

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