When you look on the linked URL for this video
View: https://www.youtube.com/watch?v=o6SJzuOk_5s&feature=youtu.be
, you can read the specs of the system.
And they were using an Asus ROG STRIX Z490-F GAMING. It is absolutely normal to be able to use memory with such a high frequency. It is even one of the two differences between Z490 and B460 boards. The other is the possibility to overclock K CPUs.
The specs for your mobo is here
TUF Gaming series distills essential elements of the latest AMD and Intel® platforms, and combines them with game-ready features and proven durability. Engineered with military-grade components, an upgraded power solution and a comprehensive set of cooling options, this motherboard delivers...
www.asus.com
and you can read :
10th Gen Intel® Core™i9/i7 CPUs support 2933/2800/2666/2400/2133 natively
With i3/i5 CPUs the boards limit the speed to 2666 Mhz. It is a feature of the b460 chipset. Same with all brands.
Try manually, and come back to tell us what you got