300 series

I am looking at a EVGA Z390 Dark motherboard, as well as the Intel i9 9900k CPU. I am having difficulty selecting a compatible RAM stick for it. The motherboard supports DDR4 4600MHz and the CPU shows only DDR4 2666MHz. Am I completely limited to 2666MHz RAM, or can I go with something higher...

So basically, i bought an Intel i5-9400f from amazon, but i made a terrible mistake on not researching well into the motherboard-cpu compatibility stuff before buying. I was like "OK, since 300 series is supported, i'll get one easily", it's only now that i am coming to know that they apparently...

Hey, so my friend got a laptop and today he bought a harddisk for it. He installs windows 10 on it. But there are no drivers for his laptop for windows 10 so he installed windows 8.1 drivers and now he is getting low fps in games. Is this why he is getting low fps? This is his laptop...

Hey guys! Should I get an Intel i7-6700K 4.00 GHz instead of an Intel i5-6600K 3.5 GHz or a 144hz 1080p monitor instead of a 60hz 1080p monitor? Thanks a lot!