https://www.intel.com/content/www/us/en/gaming/extreme-memory-profile-xmp.html
What Is Intel® Extreme Memory Profile (Intel® XMP)?
Intel® Extreme Memory Profile (Intel® XMP) lets you overclock RAM and compatible DDR3/DDR4 memory to enhance the gaming features built into PCs with Intel® Core™ processor. Get that extra edge you need to dominate.
Also see “certification”…
( the most RAM are XMP Ready …
- XMP Ready - SPD contain uncertain, but stable, profiles
- XMP Certified - SPD profile that have passed supplier tests for the CPU and motherboard.
)
and also interessting:
https://www.intel.com/content/www/us/en/gaming/resources/overclock-ram.html