Tom’s Hardware Guide Mainboard Guide: DDR333 For Athlon: VIA KT333 vs. KT266A – Conclusion: Many New Features With KT333, DDR333 Performs To Full Potential Only With CL2 – Fastest Chipset For AMD CPUs Asus A7V333, MSI KT3 Ultra, Gigabyte GA-7VRXP and the VIA reference board VT5615A are the ones to try for KT333