I think I've solved the issue. It was NZXT's CAM software for managing the Kraken x62 AIO. I stumbled upon this thread: New PC - strange Windows freezes (probable cause: NZXT CAM) - Troubleshooting - Linus Tech Tips after noticing that CAM or CAM Helper was near the top during freezes.
The PC...
Thanks for the help. No issues with memtest. I've tested the memory in another PC also with no issues.
MOBO has the latest non-beta BIOS and yes, latest chipset drivers.
The main reason I'm suspecting the storage, is because the problems are exactly the same from my previous build. And I only...
TL;DR - Windows 10 freezing (without BSOD) doing low intensity stuff like watching youtube/sending emails. Changed multiple components and multiple windows 10 re installs, problem remains. Possible that it is the Storage drive?
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I'm tearing out my hair at this ongoing problem. This is what...