I have to say that I'm pretty much in the same config as Miss B, except that my PC is 4 years old. And I haven't seen weird effects with CEF...
The only times when it slows down really is when Windows decides to update its indexes.

𝒫𝒽𝓎𝓁

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(っ◔◡◔)っ

👿 Win11 on i9-13900K@5GHz, 64GB, RoG Strix B760F Gaming, Asus Tuf Gaming RTX 4070 OC Edition, 1+2 TB SSD's, 6+4TB HD
👿 Mac Mini M2, Sequoia 15.5, 16GB, 500GB SSD
👿 Nas 10TB
👿 Poser 13 and 14 ❤️

𝑀𝓎 𝒢𝒶𝓁𝓁𝑒𝓇𝓎