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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

  • Capacity32GB (2 x 16GB)
  • SpeedDDR4 3200 (PC4 25600)
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V
  • 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.

Highlights

  • 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

Specifications

BrandNEMIX RAM
SeriesMSI Gaming Motherboard Compatible Series Memory
ModelMSI DDR4 3200MHZ Non-ECC Unbuffered UDIMM
Part NumberMD25600-628K2
Capacity32GB (2 x 16GB)
SpeedDDR4 3200 (PC4 25600)
ECCNo
Buffered/RegisteredUnbuffered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.20V
Compatible SystemMSI
CAS LatencyCL22
Heat SpreaderNo
Type288-Pin DDR4 UDIMM
Rank2Rx8
FeaturesDDR4 Non- ECC Unbuffered UDIMM Motherboard Compatible
Package Content32GB (2X16GB) DDR4 3200MHZ PC4-25600 2Rx8 1.2V 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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