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

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.