So I kind of just built a PC on a whim.

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Edmund Chavarria

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Jun 9, 2014
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Hi guys!

This might or might not have been the best idea ever, but here is what I put together, and I just wanted some opinions:

CPU: Intel i5 4670K @ 4.4Ghz
Mobo: Asus Plus z87
Memory: 8GB Kingston Hyperx
HDD: 256GB Samsung SSD & 300GB WD Velociraptor
GPU: Dual R9 270 AMD Radeon Cards
PSU: 78% efficient 650W Sentey

I have stressed the system in both CPU and GPU for about 2 hours and it all seemed pretty stable:


CPU Max temp: 77C
GPU Max temp: 90C

My biggest gripe is probably the PSU. Any thoughts? Opinions?

Thanks guys!

Best,
Ed

 
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Haswell actually doesn't do too well with heat. Ivy's overclocked much further and stayed a tad bit cooler than Haswell CPUs.

I'd say probably back off the OC a little bit, or get a better cooler.

And if you're drawing too much power, you're likely stressing the PSU beyond what it can handle. Components could fail, or be damaged. Seeing as r9 270s don't draw that much power... you could be fine. But I wouldn't ever put my rig at risk like that.

And the heat of the two 270s could be causing the temps of your CPU to rise as well. Much higher case temps than if you were to go with a single card.
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Edmund Chavarria

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Jun 9, 2014
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Thanks for replying guys.

As for the 300GB hardrive, it's just a remnant from an old build; i'm not too concerned about space to be honest.

For the dual GPU setup, well the cards were on special. They do generate a lot of heat though, so I can see the downside of having a dual-set up.

Yeah... I'll probably end up upgrading the PSU later down the line.

Question: What kind of problems can I expect from drawing such amount of power from such a little source?
 
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enemy1g

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Oct 3, 2013
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Haswell actually doesn't do too well with heat. Ivy's overclocked much further and stayed a tad bit cooler than Haswell CPUs.

I'd say probably back off the OC a little bit, or get a better cooler.

And if you're drawing too much power, you're likely stressing the PSU beyond what it can handle. Components could fail, or be damaged. Seeing as r9 270s don't draw that much power... you could be fine. But I wouldn't ever put my rig at risk like that.

And the heat of the two 270s could be causing the temps of your CPU to rise as well. Much higher case temps than if you were to go with a single card.
 
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Edmund Chavarria

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Jun 9, 2014
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I see. I really appreciate your help enemy1g.

I'll research more in depth in how to properly overclock a haswell chip, since I've heard letting the ASUS program do it for you can cause unnecessary voltage draw, possibly causing more heat. Until then, I'll leave everything at stock.

I agree on the card situation, their excess heat could be causing the whole case to heat up, so perhaps more case fans could help ease the situation.

Are there any orientations for fan placement I should be aware of? Like, intake, exhaust placements that would be best?

As for the PSU, well I guess it'll have to do for now. lol

Thanks again!
 
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enemy1g

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I had roughly the same issue as you when I was using ASUS' 4-way optimization. Computer would BSOD and run a whole lot hotter than what I have it at now. I pretty much have to be satisfied with my Haswell at 4.2 GHz, or suck it up and get a new i5-4690k, as I've heard they're reaching 5.0 (5.5?) GHz on air.

More fans in general would help, as long as your case has enough room, and it already has decent airflow. It would probably help to add a few side case fans as intake, and if you can, fit some for exhaust near the top or back of the case.
 
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Edmund Chavarria

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Jun 9, 2014
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Thank you so much sir.
 
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