I'm running a Xeon 3210 kentsfield in the DS3R at 450x8 1.53v. This cpu was limited to 400x8 1.58v on the DFI-S Dark board... So, my switch to the DS3R was a great one. I run the cpu 24/7 on WCG so its 100% stable at these settings. The only downfall I've seen so far is that sometimes I lose my NIC and I have to reboot several times to get it back. Also, I dont see any voltages in the bois and I deff dont trust Gigabyte's software in windows for the reading. I'm going to switch to my Q6600 tonight and flash to the F5 bios.. Fingers crossed