Not a PC Gamer (definitely love to be one tho) but long story short, picked up an R9 290 for $50.
Here is the exact card I have: Asus R9 290
I have 4 of these monitors: Dell P2217H
I will buy 2 of these DVI to HDMI cables: DVI to HDMI
GPU has: 1 DP, 1 HDMI, 2x DVI
Monitor has: 1 DP, 1 HDMI...