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NEMIX RAM

NEMIX RAM 128GB (4x32GB) DDR4 3200 CL22 memory upgrade

SKU CH-ZQAF-4TETT

128 GB kit of four 32 GB DDR4 3200 CL22 unbuffered UDIMMs for MSI B550M PRO-VDH WiFi motherboards

  • 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 with four 32 GB modules
  • 3200 MHz DDR4 speed rated at PC4-25600
  • CL22 CAS latency at 1.20 V operating voltage
  • 288-pin unbuffered non-ECC UDIMM desktop form factor
  • Validated for MSI B550M PRO-VDH WiFi motherboard compatibility

128GB DDR4 kit for MSI B550M PRO-VDH WiFi

This 128GB kit contains four 32GB DDR4 3200 modules built for the MSI B550M PRO-VDH WiFi motherboard. It targets desktop users who need maximum memory capacity for heavy multitasking or content workloads on that specific platform. The modules run at 1.2V with CL22 latency.

Installation basics and common issues

The 288-pin UDIMM modules install in the standard DIMM slots and are keyed to prevent backward insertion. Populate all four slots to reach the full 128GB capacity. The kit uses 2Rx8 organisation, so the board must support dual-rank modules at this density. Missing this requirement is the typical cause of a no-post or reduced-capacity result.

Capacity headroom and limits

Four 32GB sticks deliver 128GB total, which handles large project files, virtual machines and heavy browser sessions without paging. The DDR4 3200 speed ceiling and CL22 timing mean bandwidth-sensitive tasks will hit the memory subsystem limit before the capacity limit. No heat spreaders are fitted, so sustained loads rely on case airflow alone.

How it compares

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

Price $712.99
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 $5.57 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 lineMSI Gaming Motherboard Compatible Series Memory
Model nameMSI 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 systemsMSI
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

How do I confirm the kit is running at 3200 MT/s with CL22 after installing it?

Enable the XMP profile in the MSI B550M PRO-VDH WiFi BIOS, then check the reported speed and latency in CPU-Z or the UEFI memory information screen.

What exactly ships in the package and is anything else required?

The box contains four 32 GB 288-pin DDR4 UDIMM modules for a total of 128 GB; no extra cables, brackets or tools are needed for a standard desktop installation.

Why choose the 128 GB (4×32 GB) CL22 kit over a smaller capacity?

Select this kit when the workload demands 128 GB of non-ECC unbuffered memory at 1.20 V across all four DIMM slots of the compatible MSI motherboard.

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