Replacement Power Supply

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Edward Jeffrey

Reputable
Mar 16, 2014
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Hi, my PSU has gone on the fritz and I was wondering if I should replace it with the same model or an upgrade. My PC started randomly rebooting under load (mostly games) within a few months of me adding 2 new PCI cards (sound card and network card) so it might not be enough power for my PC, but on the other hand I have had it for about 4 years and it has been used pretty intensively the entire time so it might just be worn out. If I should get an upgrade, what should I get that can comfortably supply what my PC draws and be at least somewhat future proof as well?

My specs:
Corsair HX 1000W
Asus Sabertooth P67
i5 2500k @3.3GHz CPU
Radeon R9 290 4GB x2 CrossfireX
Creative ZxR
Asus AC68 network card
60GB Kingston SD
1TB Western Digital
16GB (8x8) 1666MHz Kingston HyperX DDR3
 
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brispuss

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Dec 27, 2014
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The system requires somewhere around 550W, so the HX1000 should have plenty of capacity to supply the required load, unless the HX1000 is faulty.

Replacing the HX1000 may not be necessary. Was another known working PSU used (at hand or borrowed) as a test? This will confirm or eliminate the HX1000 as being faulty.
 
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Brillis Wuce

Brillis Wuce

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Oct 17, 2014
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He has a Crossfire setup.
 
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B

brispuss

Splendid
Dec 27, 2014
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Yes, I've seen several articles on R9 290 Crossfire power consumption, but they are based on system power consumption. So some assumptions were made by these articles as to actual R9 290 power consumption.

The power required was determined from this. It is not 100% accurate, and I know a lot of people who don't like or trust this calculator, but in general the results seem to agree fairly closely with some actual measured values. As far as I know this is the most accurate power requirement calculator.

Actually, the required power for this threads system should be closer to 560W, rather than 550W.
 
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Dark Lord of Tech

Dark Lord of Tech

Retired Moderator
Aug 18, 2009
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2s6n9lg.jpg


P2 will get the job done.
 
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E

Edward Jeffrey

Reputable
Mar 16, 2014
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4,520
I may have misdiagnosed my issue, I just ran core temp and within minutes of booting and only running firefox my CPU was at 95 C, looks like this fix will only be the cost of some arctic silver and a new heatsink after all
 
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E

Edward Jeffrey

Reputable
Mar 16, 2014
14
0
4,520
Yeah, and I may have actually done that twice, I decided to google an odd reading I've had in my bios for years (3.3v always reads about 2.9v) and apparently this might be a power supply issue or it might just be an iffy reading. Either way I guess I'll find out when the new heatsink arrives
 
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