Quote Originally Posted by MrTOOSHORT View Post
If you're using the h100, then go for the Extreme version as the the h100 won't work with the Formula.

http://www.overclock.net/t/1218449/h...e-incompatible

Otherwise both boards are great and it's a toss up which you you should get. The Formula does have only 4 dimm slots compared to 8 for the Extreme.
That thread is for the S775 Formula though...