My modified AMD RX 480 stock GPU with holes and cutted backplate to decrease air resistance and an external aluminum heatsinker that is attached to the inside heatsinker : r/Amd
AMD Announces RX 480 GPU at $199, Specs, Release Date, and More
Used - Like New: ASUS ROG Radeon RX 480 Video Card STRIX-RX480-O8G-GAMING - Newegg.com
First Look At The AMD Radeon RX 480 8GB Video Card - Legit Reviews