Sile

I think XMP is part of overclocking the memory. I'm not really interested in it myself I just wanted the RAM to work at the advertised speeds. I'll definintely try what you've done though.

Seems like I have the same story as most of you. Tore my hair out over the weekend to try and diagnose WTF was going on. My game was freezing after a short time and then resetting the PC. I started by updating the bios and then chased my tail from there. I've used an ASUS Z170-AR, i7 6700k and 2 sticks of Vengeance LPX 3000mhz. So far I can't get the PC to boot with both sticks. I can only boot with one stick in the slot furthest from the CPU. It also appears that one stick of RAM is faulty because I've tried both sticks individually in the same slot and only one will boot. This is the first time I've used both ASUS and Corsair. Always been a Gigabyte fan. I also bought a Corsair AIO water cooler and had to take it back to the vendor as it didn't work. Just rubbish. So what am I supposed to do? Do I RMA the motherboard or RMA the RAM.. or both.. and go with the tried and tested Gigabyte brand that's served me for over a decade? Not happy.