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Four green DDR5 UDIMM sticks without heat spreaders

NEMIX RAM

NEMIX RAM 128GB (4x32GB) DDR5 4800 CL40 1.1V 2Rx8 UDIMM Gigabyte B650 Eagle AX memory upgrade

SKU CH-0KWZ-XQG4D

128 GB of DDR5 memory in four 32 GB modules running at 4800 MT/s with CL40 latency and 1.1 V operation for Gigabyte B650 Eagle AX motherboards

  • Capacity128GB (4 x 32GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V

Capacity 128GB 4X32GB

  • 128GB total capacity with four 32GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • CL40 CAS latency at 1.1V operating voltage
  • 2Rx8 dual-rank unbuffered UDIMM architecture
  • 288-pin DDR5 form factor for Gigabyte B650 Eagle AX

Capacity and platform fit

This 128 GB kit contains four 32 GB DDR5 UDIMMs built for the Gigabyte B650 Eagle AX motherboard on the AM5 platform. The modules run at 4800 MT/s with a CAS latency of 40 and operate at 1.1 V. They are unbuffered, non-ECC and use a 2Rx8 organisation.

Upgrade path and when it matters

The kit replaces any smaller DDR5 configuration or a mixed-speed set that forces the board to run below 4800 MT/s. The jump is worthwhile when the workload needs all four slots populated at the rated speed without manual tuning. Builders who only need two modules or a lower total capacity should choose a smaller kit instead.

DDR5 UDIMM practical limits

The 288-pin DDR5 UDIMM standard tops out at 4800 MT/s for this JEDEC profile, so higher frequencies require motherboard support for overclocked profiles. Unbuffered operation means signal integrity depends on the board layout and the memory controller. Four ranks per channel can reduce maximum stable speeds on some AM5 CPUs.

Pontos fortes

  • 128GB total capacity with four 32GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • CL40 CAS latency at 1.1V operating voltage
  • 2Rx8 dual-rank unbuffered UDIMM architecture
  • 288-pin DDR5 form factor for Gigabyte B650 Eagle AX

Especificações

BrandNEMIX RAM
SeriesGigabyte Gaming Motherboard Compatible Series Memory
ModelGigabyte DDR5 4800MHZ Non-ECC Unbuffered UDIMM
Part NumberMD38400-328K4
Capacity128GB (4 x 32GB)
SpeedDDR5 4800 (PC5 38400)
ECCNo
Buffered/RegisteredUnbuffered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemGIGABYTE
CAS LatencyCL40
Heat SpreaderNo
Type288-PIN DDR5 UDIMM
Rank2Rx8
FeaturesDDR5 Non-ECC Unbuffered UDIMM Motherboard Compatible
Package Content128GB (4X32GB) DDR5 4800MHZ PC5-38400 2Rx8 1.1V CL40 288-PIN Non-ECC Unbuffered UDIMM KIT

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Perguntas sobre este artigo

Will the 288-pin DDR5 UDIMM modules fit the four DIMM slots on the Gigabyte B650 Eagle AX motherboard?

Yes, the kit uses the standard 288-pin DDR5 UDIMM form factor that matches the four DIMM slots on the Gigabyte B650 Eagle AX motherboard

Which slots should I populate first when installing the four 32 GB modules, and what is the common mistake?

Populate the two primary slots first — usually the second and fourth slots from the CPU — then add the remaining modules; the common mistake is inserting them into the wrong pair and preventing dual-channel operation

What ongoing maintenance or replacement might the 128 GB DDR5 4800 CL40 kit require?

No routine maintenance is needed; the modules are factory stress-tested and carry a lifetime replacement warranty, so a failed stick would be replaced rather than repaired

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