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Four green DDR4 UDIMM modules with black chips, no heat spreaders

NEMIX RAM

NEMIX RAM 128GB (4x32GB) DDR4 3200 CL22 1.2V 288-pin UDIMM memory upgrade for THINKMATE VSX-R5-540X1

SKU CH-A5QF-18P15

128 GB DDR4 kit (four 32 GB modules) at 3200 MHz CL22 1.2 V for Thinkmate VSX-R5-540X1 workstations

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 128 GB total capacity across four 32 GB modules
  • DDR4 3200 speed rated at PC4-25600 bandwidth
  • CL22 CAS latency for responsive data access
  • 2 V operating voltage reduces power draw
  • 288-pin UDIMM form factor fits compatible ThinkMate workstations

128GB DDR4 3200 Kit for Thinkmate Workstations

This 128GB kit contains four 32GB DDR4 3200 UDIMM modules built for the Thinkmate VSX-R5-540X1 workstation. The memory runs at 1.2V with CL22 latency and uses a 2Rx8 organisation. It is non-ECC and unbuffered for standard desktop platforms.

Who This Kit Suits and Who It Does Not

The kit fits builders upgrading a compatible Thinkmate workstation to 128GB with matched modules. It will not suit systems that require ECC or registered memory, nor boards limited to lower densities or different DDR generations.

288-Pin DDR4 UDIMM Form Factor

Each module uses the 288-pin DDR4 UDIMM form factor, which is the single specification that decides whether the kit fits the motherboard slots. The 3200 speed and CL22 timing are set by the module SPD.

How it compares

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

Price $715.99
Pricier than about 56% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (4 × 32 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $5.59 per GB
Cheaper than about 69% 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 Non-ECC Unbuffered UDIMM
Part numberMD25600-328K4
Total capacity128 GB (4 × 32 GB)
Product type288-Pin DDR4 UDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL22
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Memory rank2Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsTHINKMATE
In the box
Included items128 GB (4 × 32 GB) DDR4 3200 MHz PC4-25600 2Rx8 1.2 V CL22 288-PIN Non-ECC Unbuffered UDIMM KIT

Questions about this item

Will this 128GB kit work in my THINKMATE VSX-R5-540X1 without any other memory installed?

Yes, the four 32GB modules provide the full 128GB capacity and are validated for that workstation model.

Can I keep my existing DDR4 3200 modules and add this 2Rx8 kit alongside them?

Mixing ranks and kits is not recommended; for stability use the four matched modules as a complete set.

How do I confirm the kit runs at 3200 MT/s with CL22 timings after installation?

Open the BIOS or a system utility and verify the memory speed shows 3200 and the CAS latency reads 22.

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