At the moment, I have a Phenom II x6 1055T in an ASUS Sabertooth 990fx motherboard. I bought a Noctua NH-D14 CPU cooler specifically so I can safely overclock my CPU. I've learned that this cooler gets in the way of RAM, so Low Profile RAM is all that will fit.
Currently, I have this RAM in...
Edit: Figured this out --- I think at one point I stupidly checked off the "enable software overclock" checkmark in Catalyst, but it had the regular 950MHz speed (not the OC speed!) set as the default setting in Catalyst, meaning the it was conflicting with what the bios bank was set to run at...