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Four green DDR4 sticks with black chips, no heat spreaders

NEMIX RAM

NEMIX RAM 64GB (4x16GB) DDR4 3200 CL22 2Rx8 MSI MAG B550 Tomahawk MAX memory upgrade

SKU CH-RXB6-GMJXN

A 64 GB DDR4 3200 CL22 2Rx8 1.2 V 288-pin non-ECC unbuffered UDIMM kit of four 16 GB modules validated for the MSI MAG B550 Tomahawk MAX motherboard

  • Total capacity64 GB (4 × 16 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 64GB kit gives ample capacity for demanding workloads
  • DDR4 3200 speed delivers responsive system performance
  • CL22 latency balances timing with stable operation
  • 20V voltage ensures efficient power consumption
  • Validated compatibility with MSI MAG B550 Tomahawk MAX motherboard

NEMIX RAM 64GB DDR4 3200 Kit

This 64GB kit contains four 16GB DDR4 UDIMM modules rated at 3200MHz with CL22 latency. It runs at 1.2V and uses a 288-pin unbuffered non-ECC design. The kit is validated for the MSI MAG B550 Tomahawk MAX motherboard.

Builders upgrading that specific MSI board

The four-module layout fills every slot on a standard four-slot desktop board. Buyers who need ECC error correction or registered modules for a server platform cannot use this kit. Systems limited to two memory slots or lower maximum capacity should look elsewhere.

64GB capacity for heavy multitasking

Four ranks per module (2Rx8) provide dense memory bandwidth for virtual machines, large datasets and content creation workloads. The CL22 timing and standard 1.2V voltage leave no headroom for manual overclocking beyond the rated 3200MHz speed.

How it compares

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

Price $374.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 64 GB (4 × 16 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $5.86 per GB
Cheaper than about 67% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameNEMIX RAM
Product lineMSI Gaming Motherboard Compatible Series Memory
Model nameMSI DDR4 3200 MHz Non-ECC Unbuffered UDIMM
Part numberMD25600-628K4
Total capacity64 GB (4 × 16 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 items64 GB (4 × 16 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 DDR4 slots on my MSI MAG B550 Tomahawk MAX to install this 64GB kit?

Yes, the kit contains four 16GB UDIMMs, so four empty 288-pin DDR4 slots are required for the full 64GB capacity.

Will the CL22 timing of these modules affect stability when paired with the B550 Tomahawk MAX memory controller?

The kit is validated for the MSI MAG B550 Tomahawk MAX; the motherboard will apply the supported timings at 3200 MT/s for stable operation.

How can I confirm the system recognises all 64GB at 3200 MT/s after installation?

Check the BIOS memory information screen or Windows Task Manager — both should show 64GB total capacity running at 3200 MT/s.

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