Internet doesn't cut off. I have something checking that for me. And it's running straight off an SSD,  I'm going to see what it's like with the wallets on a virtual for a few days. At least if the virtual dies it's not a big issue

The bit bugging me is that it only happens at night while I'm asleep. It will happily mine all day, system temps of my god and cup never hit the 50°C mark so I know it's not temps