There is also a Solaris sub reddit where people may want to grab some of the Sun hardware.

The E420’s would be interesting since they can be quad cpu. Basically an Ultra 80 motherboard in a server chassis. I also had an E220R and E280R. Debian Linux is still being worked on so they could be used for that. Likely the NVRAM battery is dead.

The only stuff I have ever had catch fire in over 20 years if doing this were old crt’s and tv’s. So I just never used to leave those on when leaving the house. I have yet to experience an lcd failure. I have had power supply failures including Apple laptops but they just let the magic smoke out.