Dramatic fps drop

Ziibi,

I wouldn’t worry about this being a problem with your set up. It is 99% mostly likely not, and adjustments you make probably aren’t going to resolve anything for you.

There are numerous threads about FPS performance issues with World of Warcraft after 9.0.5.

You can read mine here: Random FPS "seizures" since 9.0.5

A few others to note:

Not including Reddit and other fansites reporting the same issues since 9.0.5.

Though in saying that it probably is helpful to rule out a potential issue with your set up, but in this case it’s most likely not on your end.