Just an update:
The random cap seems to be working fine so far.

About the heatsinks, I replaced the original extruded aluminium, with the fancier heatsinks with heatpipe from previous models. Also added a Noctua fan.
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Took power from the DVD drive's cable, so it runs at 12V all the time. I also installed...

Greeeeat, my Jasper has the Sanyo WF caps.... So far only one cap is bulging, closer to the power supply.
I replaced it with the first cap I came across that had the same ratings. Didn't know it needed to be ultra-low ESR. 😅




Well, I decided to replace the crap GPU heatsink in mine with the slightly better heatsink with heatpipe, also gonna install a 40mm Noctua (NF-A4X20) in the fins that come out of the heatpipe, gonna draw 12V from the DVD so it spins at max speed all the time, it whisper quiet even at max rpm, so it's better to let it work at it's...