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Four green circuit boards with black chips, no heat spreaders

NEMIX RAM

NEMIX RAM 64GB (4x16GB) DDR4 3200 CL22 2Rx8 1.2V 288-Pin UDIMM memory upgrade

SKU CH-P6ZJ-KMRFE

A 64 GB DDR4 kit of four 16 GB UDIMMs running at 3200 MHz CL22 1.20 V for MSI B550-A PRO motherboards

  • Capacity64GB (4 x 16GB)
  • SpeedDDR4 3200 (PC4 25600)
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V
  • 64GB kit expands multitasking headroom with four 16GB modules
  • DDR4 3200 speed feeds data at PC4-25600 bandwidth
  • CL22 latency keeps response tight for everyday workloads
  • 2V operation reduces power draw and heat output
  • Validated for MSI B550-A PRO ensures drop-in compatibility

64 GB DDR4 kit for MSI B550 motherboards

This 64 GB kit contains four 16 GB DDR4 UDIMMs rated at 3200 MT/s with CL22 latency. It is built specifically for MSI B550-A PRO motherboards and other compatible MSI desktop platforms. The modules run at 1.2 V and use a 2Rx8 organisation for stable operation.

Tool-free DIMM installation with manual reference

Each 288-pin module slots into the motherboard without tools and locks in place automatically. The supplier notes that a typical upgrade takes only a few minutes when following the system manual. No heat spreader is fitted, so tall CPU coolers do not interfere with the memory slots.

Four ranks per channel handle heavy multitasking

The 64 GB total capacity provides ample headroom for virtualisation, content creation and large datasets. Dual-rank 2Rx8 chips fill all four slots, so bandwidth scales with the board's four-channel topology. Systems needing more than 64 GB or ECC error correction will require a different memory solution.

Highlights

  • 64GB kit expands multitasking headroom with four 16GB modules
  • DDR4 3200 speed feeds data at PC4-25600 bandwidth
  • CL22 latency keeps response tight for everyday workloads
  • 2V operation reduces power draw and heat output
  • Validated for MSI B550-A PRO ensures drop-in compatibility

Specifications

BrandNEMIX RAM
SeriesMSI Gaming Motherboard Compatible Series Memory
ModelMSI DDR4 3200MHZ Non-ECC Unbuffered UDIMM
Part NumberMD25600-628K4
Capacity64GB (4 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 Content64GB (4X16GB) DDR4 3200MHZ PC4-25600 2Rx8 1.2V CL22 288-PIN Non-ECC Unbuffered UDIMM KIT

Questions about this item

How can I verify the kit is running at 3200 MT/s with CL22 timings after installation?

Open the BIOS or a tool such as CPU-Z and confirm the memory frequency reads 3200 and the CAS latency shows 22.

What exactly ships in the box and is anything else required to use the memory?

The package contains four 16 GB 288-pin UDIMM modules; no additional parts or cables are needed for installation.

Which capacity version should I choose for a board with four DIMM slots?

This 64 GB kit (4 × 16 GB) fills all four slots and matches the 3200 MT/s 1.20 V specification.

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