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Depending on your use case - historically ram speed hasn't mattered *that* much. AMD's APUs were memory speed dependent but that was for the video adaptor. Its also worth noting many PC builders tend to be enthusiasts, and there's always been a overclocking scene. Binning, and selling ram that runs faster's just good business sense
I'm a big fan of puget systems blogs for things like this- they do a ton of real world testing, and they've done [benchmarks](https://www.pugetsystems.com/labs/articles/impact-of-ddr5-speed-on-content-creation-performance-2023-update/) going into detail about the impact of faster/OCed ram.
The *advantage* is you can squeeze small amounts of extra performance, either using automatic, or manual overclocking methods. However the 'default' speeds are going to be stable. You'd be getting 5-7% performance improvement, but also risk application and OS instability.
~~The 'native' non OC speeds are what the manufacturers tested and *know* work reliably. In some cases, either cause its a newer board or the manufacturer found its better for the system.~~

Depending on your use case - historically RAM speed hasn't mattered *that* much. AMD's APUs were memory speed dependent, but that was for the video adaptor. It's also worth noting many PC builders tend to be enthusiasts, and there's always been a overclocking scene. Binning, and selling ram that runs faster is just good business sense.
I'm a big fan of Puget Systems' blogs for things like this. They do a ton of real world testing, and they've done [benchmarks](https://www.pugetsystems.com/labs/articles/impact-of-ddr5-speed-on-content-creation-performance-2023-update/) going into detail about the impact of faster/OCed RAM.
The *advantage* is you can squeeze small amounts of extra performance, either using automatic or manual overclocking methods. However the 'default' speeds are going to be stable. You'd be getting 5-7% performance improvement but also risking application and OS instability.
The 'native' non OC speeds are what the manufacturers tested and *know* work reliably. In some cases either because it's a newer board, or the manufacturer found it's better for the system.

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