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Four green DDR4 UDIMM modules without heat spreaders

NEMIX RAM

NEMIX RAM 128GB (4 x 32GB) DDR4 3200 CL22 1.2V 288-Pin UDIMM Kit

SKU CH-8VQE-NJYFJ

A 128 GB DDR4 kit with four 32 GB unbuffered UDIMMs rated at 3200 MT/s and CL22 for ASUS ROG Strix B550-F Gaming WiFi II 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 across four 32 GB modules
  • DDR4 3200 speed rated at PC4-25600 bandwidth
  • Low 1.2 V operation reduces power draw
  • CL22 CAS latency for responsive timing
  • Validated for ASUS ROG Strix B550-F Gaming WiFi II motherboard

128GB DDR4 Kit for ASUS B550 Motherboards

This 128GB kit contains four 32GB DDR4 3200 UDIMM modules validated for the ASUS ROG Strix B550-F Gaming WiFi II motherboard. It runs at 1.2V with CL22 latency and uses 2Rx8 unbuffered non-ECC chips from major OEM suppliers. The kit targets users who need maximum memory capacity on this specific platform.

Builders needing validated four-slot population

The kit suits enthusiasts and workstation users who want a tested 128GB configuration on the named ASUS B550 board without manual tuning. It is not for systems limited to two DIMM slots, builds requiring ECC error correction, or users who must populate more than four slots. Buyers needing lower capacity or higher speeds should consider other options.

Four 32GB modules at DDR4 3200 CL22

The decisive specification is the 4 x 32GB density combined with DDR4 3200 CL22 timing at 1.2V. This exact module count, rank structure and validated motherboard pairing determine whether the kit will POST reliably at rated speed. Verify your board has four DDR4 slots and supports 128GB total before purchase.

How it compares

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

Price $729.99
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 $5.70 per GB
Cheaper than about 68% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineASUS Gaming Motherboard Compatible Series Memory
Model nameASUS 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 systemsASUS
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

Do I need four free 288-pin DIMM slots on my motherboard to install this 128GB kit?

Yes, the kit contains four 32GB UDIMM modules and each one occupies a single 288-pin DDR4 slot, so four available slots are required.

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

The kit is validated for the ASUS ROG Strix B550-F Gaming WiFi II; mixing different capacities, ranks or timings on the same board is not guaranteed to work and may prevent the system from posting.

How can I confirm the memory is running at 3200MHz CL22 1.20V after installation?

Enter the BIOS or use a tool such as CPU-Z to verify the reported speed shows 3200 MT/s, the CAS latency reads 22 and the voltage is set to 1.20V.

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