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Title says it all, I have in mind the z87 g1 sniper, people say it will just do and others recommend the ASrock Fatal1ty z97 killer saying its basically built for overclocking so what should I go for? The ASrock is more expensive in my country so keep that in mind please
You should go for a Z97 chipset.
Firstly, make sure your cooler can support the high overclock.
For a slightly cheaper price you can get high overclocks on this motherboard:
Asus Z97-A
For higher overclocking, you should go with this excellent motherboard:
ASRock Z97 EXTREME6
For extreme overclocking, this is an excellent option:
ASRock Z97 OC