PSU not strong enough and overheating?

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Serventius

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Mar 1, 2016
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I recently bought a new GPU and after installing it in my pc my rig refused to start up. I had a stock standard 450w psu with a no name brand. I replaced it with a Titan s550w psu that someone gave me, but now I can hardly play a game without the psu becoming very hot and noisy and eventually crashing my pc. Is it the psu that's weak or is there something else?

Specs:
CPU: intel core i5-3330 quad core 3.00GHz
GPU: MSI R7 370
2 x 4GB DDR3 RAM
Motherboard: ECS H61H2-M12
 
Solution
madmatt30
Its a rebranded lc power which in turn is likely a rebranded huntkey.
Either way its essentially a cheap metal box with a fan & some subpar components inside

You have a decent little system , treat yourself to that antec asap.
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Karsten75

Karsten75

Judicious
Oct 15, 2009
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Well, the processor uses 77W, the specs for your GPU is at 110W and I'd say maybe 25 W for the RAM, 25W for the Motherboard, Who knows how much for fans and drives that you didn't list, so you should be OK.

Having said that, I have no idea (and can't find online) what the specs are for a Titan S550W. You do observe that it gets very hot, which is never a good thing.

So yes, based on the information you provided, you may want to look for a better PSU. Or better cooling/ airflow.
 
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nostall

nostall

Splendid
Nov 28, 2012
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I likewise could not find any information re. that PSU.
Try loading HWInfo64 and run that program; take a look at the +12volt, 3.3v, and 5volt readings; the program can also log to a file so you can start the program and select logging then start playing a game, to warm up the PSU. Once you hear the PSU getting noisy, before the PC crashes, close the game and let things cool down and review the log.
The PSU should be able to keep the power within 10% or better; if it can't or doesn't then it is definitely time to replace the unit. Please post the results.
Also, you didn't post the specs from the label for those voltage rails; If that power supply is an older design it may not have enough power (amps) on the +12volt rail to run your system under a heavy load (gaming). And, of course, there is the real probablility that it is just worn out and something inside is failing or has failed so it is struggling just to produce any power.
If you decide to simply replace the PSU with a new unit I suggest you select a model from tier 1 or 2 of this list:
http://www.tomshardware.com/forum/id-2547993/psu-tier-list.html
They might be expensive, but the system you save might be your own.
The minimum requirement for a reference R7 370 is a 450Watt psu with 33 amps on the 12volt rail: this is for your entire system. A reference or stock 370 supposedly has a max power draw of 110w or about 9 amp. The MSI is not a stock unit but has been upgraded with better cooling and from Newegg's description may draw 150watts max or about 12.5 amps. I always like a little headroom with my power supplies so I would recommend a 500-600watt unit - in part because there was a test run on Tom's (can't find it right now) that showed video card power spikes, while in gaming, quite a bit higher then the advertised/published maximums.
Hope all this helps.
EDIT: I was writing this when DonkeyOatie found the information re. the PSU. If it is a CiT unit, replace really soon before something terrible happens. Don't even worry about the monitoring info I talked about.
 
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madmatt30

madmatt30

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Less,although it states those rails it then states that combined 12v wattage may not exceed 258w.

what we have here is a substandard 300w psu with a 550w label.

All the cit 550w models are the same - they renamed that one the titan because they put an led fan in it :ouch:
which as we all know makes it loads better than ususal
 
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S

Serventius

Commendable
Mar 1, 2016
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Ah I'm sorry for not posting more details. I have two 120mm fans in the case, two 1 TB HDDs and one 500 GB HDD. The PSU, upon further inspection, is made by a Yama(?) company and is simply called TITAN S550w (it doesn't have an LED so it's not the CIT one. THe box says it has a single 12+ V rail design.

I'm not sure how to post a file on this site? Do I have to upload it to a file sharing website? Also would the Antec TruePower (TP-750C), 750w work well enough?
 
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madmatt30

madmatt30

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the antec truepowers are excellent psu's mate.
a 550w would do easily - you dont need anywhere near 750w

if you have a pohoto of your cpu label upload it to
www.postimage.org

& then just post a link on here
 
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madmatt30

madmatt30

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Jan 1, 2013
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Its a rebranded lc power which in turn is likely a rebranded huntkey.
Either way its essentially a cheap metal box with a fan & some subpar components inside

You have a decent little system , treat yourself to that antec asap.
 
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