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Green bare circuit board with black memory chips, 288 gold contacts, no heat spreader

NEMIX RAM

NEMIX RAM MD25600-818K1 8GB DDR4 3200 CL22 1.2V 288-pin UDIMM memory upgrade

SKU CH-9PWX-BB2Z8

8GB DDR4 3200 CL22 UDIMM module validated for MSI B550-A PRO motherboard

  • Total capacity8 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 8GB capacity adds responsive multitasking headroom
  • DDR4 3200 speed delivers fast data throughput
  • CL22 latency supports stable system operation
  • 2V voltage enables efficient power consumption
  • Validated for MSI B550-A PRO motherboard compatibility

MSI B550-A PRO compatible DDR4 UDIMM

This NEMIX RAM module delivers 8GB of DDR4 3200 memory built for the MSI B550-A PRO motherboard. It runs at 1.20V with CL22 timing in a 288-pin unbuffered non-ECC format. The single-rank 1Rx8 design uses major OEM chips for stable desktop operation.

Suits single-slot upgrades on the MSI B550-A PRO

Builders populating one DIMM slot on this specific board get a tested match. Buyers needing ECC error correction or registered buffering cannot use this module. Systems requiring lower latency than CL22 or a heat spreader should look elsewhere.

The deciding spec is MSI B550-A PRO validation

This part number MD25600-818K1 is qualified for that exact motherboard, removing guesswork from the upgrade. Without that validation, DDR4 3200 CL22 1.20V 288-pin UDIMM modules may not train correctly on the platform.

How it compares

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

Price $47.99
Cheaper than about 78% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $6.00 per GB
Cheaper than about 65% 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 numberMD25600-818K1
Total capacity8 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 items8 GB (1 × 8 GB) DDR4 3200 MHz PC4-25600 1Rx8 1.2 V CL22 288-PIN Non-ECC Unbuffered UDIMM

Questions about this item

Is the 8GB single module enough or should I add a second stick for dual-channel?

The module is sold as a single 8GB stick. Adding a second identical stick enables dual-channel bandwidth on boards with two or four slots.

What does the 3200MHz rating deliver on an MSI B550-A PRO?

The board runs DDR4 at 3200MHz with this CL22 1.20V module, giving the rated PC4-25600 throughput without manual tuning.

Does the 288-pin DDR4 interface limit the speed on this motherboard?

The 288-pin DDR4 UDIMM slot on the B550-A PRO supports the module's 3200MHz rating natively; no higher DDR4 speeds are possible on this platform.

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