Impressed with the accelero but still looking for quieter, I picked up a Strix 2080 to try out since the reviews all raved about its noise level. After removing the front audio, usb, and flipping the power button I massaged it into the M1. Taking it out proved to be a bit more challenging, though when I wised up and removed the entire front io/power button panel things were much easier. Props to the designers for that area, super easy to remove that stuff. There’s definitely not much wiggle room, but it fits in just fine once it’s in there. At the lowest point I measured about 11mm, so you’re not going to be mounting any fans underneath. I didn’t test exhaustively, but the cooler in this card definitely does it’s job. Temperatures climb slowly and the fan curve is pretty reasonable about if the box. And even at high(er) fan speeds, the tone isn’t too obnoxious. One of my fans, though, has (to me) a very obvious grind/hum/vibrate. I can hear it at any fan speed, and can feel it when I put my hand on the card in the right spot. I tossed the GPU in a mid tower to verify there wasn’t anything odd in my M1 setup and it’s still there. I can’t see anything impeding the fan though I didn’t remove the shroud. It’s a real shame, because it looks pretty great in the chassis.