Holy crap what a difference!
Drops of 5C CPU, 4C PWMIC, 16C CHIPSET and 7C GPU.
No pics of the GPU - used to idle @ 45C, now idles at 38C.
Before and after temps at idle:
This was accomplished by the following changes:
- Stock NF4 fan replaced with Evercool VC-RE
- Added Antec PCI slot 15CFM intake fan under GPU.
- Replaced CPU panaflo fan w/ identical one w/ an RPM sensor on it (X at end of model#)
- Moved top exhaust fan to different header (not PWMIC) since it doesn't cool that part I didn't need to know it's RPMs (may add a specific one for that region later)
- Cleaned all intake/exhaust filters
- Cleaned out a massive amount of dust in the CPU heatsink
I think I'd have better cooling if I hadn't blocked my front intake w/ three more hard drives next to the first one. The 3 new drives are all 7200 rpm so hopefully not too hot under load.
"After" temps taken at ambient temp of ~21C. "Before" temps taken at an ambient temp of ~23C. Once it warms up again I expect it'll add a few C to my temps above.
It's also worth mentioning that the difference in CHIPSET temps benefits from all the above, but probably most by the increased RPMs of the new fan and more importantly, I think the old fan was failing at the time I took the "before" pic. That explains why it was so high to begin with I think.
It was highly stressful changing out that stupid fan. I haven't had my machine gutted like that since I put it together. I wish I'd done it at that time instead. And those damned springs were so tight I almost put out an eye when the pins flew out.
Overall I'd say it was worth the effort to get these temps, particularly since the fan was failing and soon to completely go down anyway. Only advice: use the right tools (needle nose pliers) and keep screw drivers away from the traces on your board (I scratched mine, hence the stress, but apparently I didn't break anything).
As always, thanks for the forums and the help in figuring out how to do these things.