After reading about my router model (the D-Link DGL-4300 Wireless 108G Gaming Router) failing for people, I made this nifty little mod that pleases me every time I look at it. The Thermalright HR-05 was my best bet at the time, as it had the 30x30mm foot to let me center it fairly well between capacitors.
Router heat is a problem everyone seems to have. Although most can still function at 100% while hot, some become sluggish or can even result in a shortened the lifespan. Well, shoving a huge passive heatsink in the middle of the unit is one way to handle things!
Source: Review Desk