EXPO profile
EXtended Profiles for Overclocking — AMD's equivalent of Intel's XMP for DDR5 memory. Enables a RAM module's factory-optimized timings/frequency in the BIOS with one click. Optimized for Ryzen's memory sensitivity.
Why separate from XMP: Ryzen performance is extra dependent on memory due to the coupling between the memory controller and the Infinity Fabric (FCLK). EXPO profiles are often tuned for "1:1" mode where the memory clock syncs with the Infinity Fabric (sweet spot ~DDR5-6000 on AM5). Many DDR5 kits list both XMP and EXPO profiles on the same sticks → work on both Intel and AMD. Distinct from pure manual overclocking by being a validated factory profile. Classic AM5 recommendation: DDR5-6000 CL30 EXPO. Forgetting to enable EXPO = a significant performance loss on Ryzen.