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Two green circuit boards with black memory chips, no heat spreaders, 288-pin DDR4 UDIMM form factor

NEMIX RAM

NEMIX RAM 32GB (2x16GB) DDR4 3200 CL22 2Rx8 1.2V 288-pin UDIMM memory upgrade for MSI B550-A PRO

SKU CH-KVTT-CVHF4

A 32GB dual-channel kit of DDR4 3200 CL22 UDIMM memory validated for the MSI B550-A PRO motherboard

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 32 GB kit expands system memory for demanding workloads
  • DDR4 3200 speed transfers data at up to 25600 MB/s
  • CL22 latency keeps response times low
  • 2 V operation reduces power draw and heat
  • 288-pin UDIMM form factor fits MSI B550-A PRO motherboard

MSI B550-A PRO 32GB DDR4 kit

This 32GB kit contains two 16GB DDR4 3200 UDIMM modules built for the MSI B550-A PRO motherboard. Each stick runs at CL22 latency with a standard 1.20V voltage and uses a 2Rx8 organisation. The modules are non-ECC, unbuffered and have no heat spreader.

Builders matching this exact board

The kit is validated for the MSI B550-A PRO so buyers with that motherboard gain plug-and-play compatibility. Systems needing ECC error correction, registered modules, lower latency timings or a heat spreader should select a different memory kit.

2Rx8 rank configuration

The dual-rank 2Rx8 layout is the specification that determines whether the memory works correctly with the MSI B550-A PRO memory controller. Confirm this rank structure matches the board's qualified vendor list before purchasing.

How it compares

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

Price $191.99
Cheaper than about 59% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB (2 × 16 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $6.00 per GB
Cheaper than about 65% 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 numberMD25600-628K2
Total capacity32 GB (2 × 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 items32 GB (2 × 16 GB) DDR4 3200 MHz PC4-25600 2Rx8 1.2 V CL22 288-PIN Non-ECC Unbuffered UDIMM KIT

Questions about this item

Does this kit need a motherboard with DDR4 slots and a 288-pin UDIMM layout to work?

Yes, it requires a desktop board with DDR4 288-pin UDIMM slots running at 1.20 V.

Can the 2Rx8 rank organisation on these modules run alongside older single-rank DDR4 sticks already installed?

The board will train all populated slots to the lowest common speed and latency; mixed ranks are supported but may limit maximum frequency.

After installation, how do I confirm the kit is running at its rated 3200 MT/s with CL22 timings?

Open the BIOS or a tool such as CPU-Z and check that DRAM frequency reads 3200 MT/s and CAS latency shows 22.

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