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ArtG2521Flag for United States of America

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CPU and GPU temperatures and PSU voltage monitoring

I play PC games a lot and I have a fairly powerful rig to do this, however, I want to monitor and record CPU and GPU temperatures and PSU voltages.  Is there a safe, high performance, low resource hogging program that I can run in the background while I do normal activities and most importantly PC gaming?  I want it to be able to record these readings so I can study the readouts over the course of several days/weeks and under different load scenarios from no activity to normal to PC gaming.

Here are my rig specs:
Asus Maximus Hero VIII Intel Z170 based chipset, ATX Motherboard
Intel Core i7-6700K Processor, 4-core @ 4.0GHz with HT, 8MB L3 Cache
16GB Crucial Ballistix DDR4-2400MHz (2 x 8GB), CAS 16 latency, low voltage
EVGA GTX 1080Ti GDDR5 ICX Cooling 11GB VRAM
512GB Samsung 950 Pro PCIe 3.0 Solid-State Drive
Integrated Qualcomm Atheros Killer E2201 LAN chip (10/100/1000 MBps)
650 Watt EVGA SuperNOVA Power Supply, 80Plus Gold Certified, > 90% efficiency
Windows 10
Avatar of ☠ MASQ ☠
☠ MASQ ☠

Yes, use HWInfo, does all the above and is free!
Nice rig BTW - aren't you just a little underpowered on the 650 PSU though?
Also run Real Temp 370 to monitor CPU and GPU.  It is free as well.

Overheating should occur fairly quickly if it is going to happen.
calculate the power you need here :  http://extreme.outervision.com/psucalculatorlite.jsp
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ASKER

MASQ, On my PSU, 650 Watt EVGA SuperNOVA Power Supply, I originally had a GTX 980Ti and just replaced it with the 1080Ti (it BARELY fit into the case).  Specs said I needed a minimum 600 watt.  Hopefully, I do not have to change out my PSU.  So far, it is playing fine, but to be sure, that is why I want to monitor the temps and voltage.  In fact, I have the side off my case because it doesn't quite fit with the new card in there. I did install HWInfo, wow, problem is I don't know where to begin.  It's like trying to learn the cockpit of a plane. Do they have a tutorial?

I may have to try the simpler programs first.  I am NOT object to buying a reasonably priced third party program if it would be more user friendly, anything like that out there?
if you calculate the power you need- you'll know
Power calc comes to around 500 watt
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☠ MASQ ☠

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I second HWiNFO. In general youtube is a decent place to find software tutorials. Here is a youtube tutorial for HWiNFO.
Thanks to you all! Especially, MASQ.  Great info and just what I was looking for.