This post is just as an FYI for anyone having their workstation randomly shut off during GPU/CPU intensive games/processing.
So about a 2 years ago I had purchased a T3600 Workstation, upgraded it with a Nvidia RTX 2080 and though it was mostly working fine, in one specific game the computer would do a hard shut down where I could hear the PSU trip. At the time I suspected it would either be the GPU or PSU, but I tried everything including using HWINFO, measuring the power at the outlet, but was never able to confirm if it was the PSU or not. Since this was only happening in one specific GPU intensive game, I did as much troubleshooting as possible, but then just avoided that game.
Fast forward to now, I was getting more issues with other games causing my computer to trip off so I found the equivalent PSU, Dell 0CVMY8 D825EF-00 825W PSU (There are a few PSU variations but after much research I figured that the "EF" and the "-00" were the key to ensuring I had the right one for the T3600, and that is what matched with my 635W PSU. The "825" part obviously being the wattage, and the "D" is apparently the manufacturer code.).
I swapped it in with no issues at all and now the desktop runs smoothly with the game that was previously causing it to trip, running perfectly fine.
So moral of the story is, if your computer is doing a hard shutdown (i.e. you heard the PSU trip, and there is no BSOD), try replacing the PSU with a higher wattage one.
I had found the PSU on ebay and it set me back $60USD ($80CAD) after shipping and everything. Was a bit tough to swallow the cost considering it's a used PSU, but also considering how tough some of these workstations are built, I don't expect it to fail.