Need to know if this build is compatable

Solution
The build certainly seems compatible, though I noticed a few things:
1. You're planning on using 4 sticks of RAM and the i7-8086k only supports a maximum of two memory channels. This means that two sticks will be on each channel and may lead to some instability if you don't tweak the voltage or turn down the clock. Though this may not be an issue, perhaps you could look into getting 2x16GB sticks instead of 4x8GB sticks.
2. 3TB HDDs are notorious for having high failure rates, I'd recommend a two or four TB drive instead.
3. Is there any reason you'd want two SSDs rather than one larger one? If you're planning on putting them in RAID, it won't increase your performance by terribly much when considering other options. The SSDs will be...
The build certainly seems compatible, though I noticed a few things:
1. You're planning on using 4 sticks of RAM and the i7-8086k only supports a maximum of two memory channels. This means that two sticks will be on each channel and may lead to some instability if you don't tweak the voltage or turn down the clock. Though this may not be an issue, perhaps you could look into getting 2x16GB sticks instead of 4x8GB sticks.
2. 3TB HDDs are notorious for having high failure rates, I'd recommend a two or four TB drive instead.
3. Is there any reason you'd want two SSDs rather than one larger one? If you're planning on putting them in RAID, it won't increase your performance by terribly much when considering other options. The SSDs will be limited by their SATA interface, so I'd recommend going with an M.2 NVMe SSD instead, as its interface was designed for SSDs and can support much higher speeds and your motherboard has an available M.2 port.
4. I notice you don't have a cooler, and the 8086K doesn't come with a stock cooler if that's what you wanted. Do you have a cooler already, and/or are you interested in air or liquid cooling?

Besides that, I wish you the best of luck on your build!
 
Solution
Don't bother with the AS5, if you do insist on needing paste more than what comes with the cpu cooler (umm yeah you will need a good sized one at that, did you have one already?) then I'd opt for the Noctua NT-H1 instead, it's a much better and easier to work with paste.