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Two green DDR4 UDIMM sticks without heat spreaders

NEMIX RAM

NEMIX RAM MD25600-818K2 16GB (2x8GB) DDR4 3200 CL22 1.2V 288-pin UDIMM for MSI MAG B550 Tomahawk MAX WiFi

SKU CH-C9HY-D5KJC

16 GB dual-channel DDR4 kit at 3200 MHz with CL22 latency and 1.2 V operation for MSI MAG B550 Tomahawk MAX WiFi motherboards

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 16 GB dual-channel kit boosts multitasking headroom
  • DDR4 3200 MT/s CL22 delivers responsive throughput
  • 2 V operation keeps power draw low
  • 288-pin UDIMM fits standard desktop slots
  • Validated for MSI MAG B550 Tomahawk MAX WiFi

System-Specific DDR4 Memory Kit

This NEMIX RAM 16GB kit contains two 8GB DDR4 3200 UDIMM modules validated for the MSI MAG B550 Tomahawk MAX WiFi motherboard. The kit delivers 16GB total capacity at PC4-25600 speed with CL22 latency and 1.20V operation. Unbuffered non-ECC design ensures straightforward desktop installation.

For MSI B550 Tomahawk MAX WiFi builders only

This memory suits builders upgrading or repairing that exact motherboard model who need guaranteed compatibility. Buyers with different motherboards, laptops, or servers should look elsewhere because this kit is qualified for one specific platform. Systems requiring ECC, registered modules, or DDR5 memory cannot use this product.

16GB dual-channel capacity decides fit

The 16GB (2x8GB) capacity determines whether this kit matches your planned memory configuration. If your workload needs more than 16GB or a different module count, this kit will not meet that requirement. The 1Rx8 rank structure and 288-pin DDR4 form factor are fixed by the validated specification.

How it compares

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

Price $105.99
Cheaper than about 67% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB (2 × 8 GB)
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $6.62 per GB
Cheaper than about 60% 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 numberMD25600-818K2
Total capacity16 GB (2 × 8 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 rank1Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsMSI
In the box
Included items16 GB (2 × 8 GB) DDR4 3200 MHz PC4-25600 1Rx8 1.2 V CL22 288-PIN Non-ECC Unbuffered UDIMM KIT

Questions about this item

Will the 288-pin DDR4 UDIMM modules fit the four DIMM slots on the MSI MAG B550 Tomahawk MAX WiFi motherboard?

Yes, the kit uses standard 288-pin DDR4 UDIMM form factor which matches the four DDR4 slots on that board.

Do I need to enable XMP in the BIOS to reach 3200 MT/s, or will it run at that speed automatically?

The modules are rated CL22 at 3200 MT/s; enable the XMP profile in BIOS to run at the rated speed instead of the default JEDEC frequency.

Since there is no heat spreader, will the Samsung, Micron or Hynix chips need active airflow to stay cool under load?

Bare DDR4 chips at 1.2 V typically run cool enough with normal case airflow; add a case fan near the DIMM area only if temperatures exceed specification.

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