So I’m having a lovely time with this right now…
Tried messing around with the pipe and fin placement, and got to the point where I’ve realised that it isn’t going to fit without changing up some parts of it. I need to make the plate and pipes as low profile as possible, so they don’t contact the bottom panel.
My first thought is to scrap the shims, and get the bottom of the plate milled out where the GPU die sits. Go back to the original idea of having the pipe’s path on the plate slightly milled out, too. This would drop the height of the whole thing by about 1.3mm.
The only problem then is the fins. I’ve emailed a company that sells a full copper version of the XPS 15’s heatsink (shoutout to htaige on Notebookreview forums for linking that). Hopefully I can buy just the fin stacks from them. If I can’t do that, I’ll take some tools to the ones I have, and make them fit.
Until then, I’ve put the stock heatsink back in, and bridged the VRMs to the bottom panel with some stacked thermal pads.
@sgtawesomesauce, -138mV is the best undervolt I can do without it throwing errors up. I could up the ICC Max, but that’ll make temps shoot up, and I don’t think it’ll change the max boost duration.
@Aremis, What I’ve done is really not difficult to do. You’ve just got to balance adding thermal mass with adding extra dissipation. Otherwise you’ll just end up with a heatsink that takes longer to heat up, but doesn’t perform any better over long periods.