It works for non-RTX cards as well with some tweaking (https://arstechnica.com/?post_type=post&p=1670164). Works marvelously for removing background noise - mic hum, typing, cars driving by.
One of the nice things about it is that you can also filter the output on your end - so if you're in a meeting with someone who is sitting outside near a busy road, or they have a roommate who is gaming on a mechanical keyboard, you can filter the noise out without missing something if that person decides to speak up.