PSU = knackered?

dvs8 · 4 Sep 2015 at 15:07

Hi all

I've had a BeQuiet L8 730W 80+ Bronze PSU for 4 years now and in general the machine has been very stable - however, since getting a 780GTX 3GB 18 months ago the only way some games will run without crashing is to underclock the graphics card. I had heard a wobbly PSU can cause this card to fall over so having a look via speccy at my voltages I see the following:

AVCC 3.280 V
3VCC 3.280 V
CPU CORE 1.192 V
VCCIN 1.904 V
DRAM 1.648 V
+12V 11.176 V
+5V 5.120 V

Without stating the obvious, the +12V looks very out of tolerance to me - what do you think? New PSU time or ... something else?

The motherboard is an MSI Gaming 5 (Z97) and the i5 4670K is easy-overclocked to 4GHz.

dvs8 · 4 Sep 2015 at 16:04

Update: under load it drops to 11.088V

humbug · 8 Sep 2015 at 13:26

Are you monitoring volts through software? its not always accurate but if those volts are anywhere near right the PSU has had it, you would need a voltage meter to get accurate results.

Other than that the only other thing i can say:

You have dual 12v rails on it, 30 Amps each, make sure the CPU and GPU are on the two separate rails

wolfie138 · 12 Sep 2015 at 18:24

i've got a Corsair RM750, i've spotted the same values almost exactly on HWMonitor while running to sort my BSOD issues; Min/Max values show a Min of 11.1v though i don't know when or for how long - system seems fairly stable though, my BSOD is the bugcheck 278 thing that appears to be driver related. PSU is new as of my build in March this year. Ran OCCT as well, seems to show the same values as HWM so i'm taking it as accurate and not just HWM being quirky.