Z87-G45 Stuttering?

Hey all,

I'm having issues with my Z87-G45, while playing source games (and others) I'm getting what appears to be stuttering..

[img width=800 height=450]http://cloud-2.steampowered.com/ugc/684842373349136902/6630D196F298D22A92CBA1967EF9D600B7D84EE5/[/...