Regardless, I'll find out tonight.
I'll be receiving this 4550 for my s3220n today...
http://www.newegg.com/Product/Product.aspx?Item=N82E16814102819
It will be up slotted next to my tv tuner and it has a fanless design. I read deeper on a few user reviews stating it gets hot. Should I be concerned about the heat output? Does anyone have this same card in their slimline running with no issue?