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...