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Two green DDR4 RDIMM modules, bare chips, 288 pins

NEMIX RAM

NEMIX RAM 64GB 2x32GB DDR4 3200 CL22 2Rx8 ECC RDIMM THINKMATE VSX-R5-540W3 memory upgrade

SKU CH-251C-CNWYW

64 GB dual-rank DDR4-3200 ECC registered kit (2 × 32 GB, CL22, 1.2 V, 288-pin) validated for Thinkmate VSX-R5-540W3 workstations

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeRegistered
  • Rated voltage1.2 V
  • 64 GB capacity expands server memory headroom for virtualisation workloads
  • Dual-rank 2Rx8 organisation increases memory density per channel
  • ECC registered design detects and corrects single-bit errors automatically
  • DDR4 3200 speed at CL22 latency matches platform specifications
  • 20 V operation reduces power draw in dense configurations

ThinkMate VSX-R5 Workstation Memory

This 64GB kit provides two 32GB DDR4 3200 registered ECC modules built for the ThinkMate VSX-R5-540W3 workstation. The 2Rx8 organization and CL22 timing match the platform's qualified memory list. IT professionals specify this kit to expand capacity for virtualization hosts, database nodes, or rendering workloads that demand error-correcting registered DIMMs.

Thermal Profile and Power Draw

Each module operates at the standard DDR4 voltage of 1.20V without a heat spreader, relying on chassis airflow for cooling. Registered ECC DIMMs of this density typically run cool under sustained server loads when installed in a workstation with directed front-to-rear cooling. The 1.2V rating keeps incremental power draw low per channel, helping the system stay within its thermal envelope during extended compile or simulation runs.

Upgrade Path and Fit

This kit replaces lower-capacity RDIMM pairs or fills empty slots on the VSX-R5 motherboard to reach 64GB in a two-module configuration. The jump is worthwhile when workloads exceed current physical memory and trigger swapping, such as large dataset analysis or multi-tenant container deployments. Builders who need more than two DIMMs per channel or require higher frequencies than DDR4 3200 should consult the platform's qualified vendor list before purchasing.

How it compares

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

Price $611.99
Pricier than about 54% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (2 × 32 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $9.56 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 numberMR25600-328K2
Total capacity64 GB (2 × 32 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 (2 × 32 GB) DDR4 3200 MHz PC4-25600 2Rx8 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 in the Thinkmate VSX-R5-540W3, and what step is often missed?

Power down the workstation, open the chassis, align the notch on each 288-pin module with the slot key, press firmly until both retention clips click, then verify in BIOS that all 64 GB are recognised at 3200 MHz.

What maintenance or replacement will the ECC registered memory need over its service life?

The modules have no moving parts and require no scheduled maintenance; if a correctable error count rises or a module fails, replace the affected 32 GB stick — ECC helps detect the fault early.

What limit appears first when the 2Rx8 CL22 kit runs sustained workloads at 1.20 V?

The CAS latency of 22 cycles at 3200 MT/s sets the baseline response time; under continuous load the registered buffer and ECC overhead become the bottleneck before thermal throttling occurs.

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