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Is this psu enough?

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August 10, 2010 6:47:25 PM

Hello,
I have a real 400w psu and Im wondering if it is enough for powering a Q6600 (already running) and an ATI HD4870 which Im about ot buy but I just wanna make sure it will be enough..
Here's a link to the full specs of this power supply.
http://www.icfta.com/product_info.php?manufacturers_id=...
thanks!!

More about : psu

August 10, 2010 6:49:55 PM

ddanieln said:
Hello,
I have a real 400w psu and Im wondering if it is enough for powering a Q6600 (already running) and an ATI HD4870 which Im about ot buy but I just wanna make sure it will be enough..
Here's a link to the full specs of this power supply.
http://www.icfta.com/product_info.php?manufacturers_id=...
thanks!!


I see the link doesnt work.. well the power supply is a HEC 400 AD-TF.. google it plz
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a c 272 ) Power supply
August 10, 2010 6:57:07 PM

There are NO good HEC PSUs. I found that yours is packing a mere 18A on the 12V rail, that would be good for a 300W unit, but that is horrible for a 400W unit. The rosewill computerrock1 linked isnt much better in terms of quality. You can get an Antec EA500D for $60 off of newegg, it is much better than the HEC or the rosewill, significantly more efficient and powerful than both.
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
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a b ) Power supply
August 10, 2010 7:01:46 PM

^ The rosewill is fairly well built, also its cheaper than most higher end products. Not only that but this guy isn't running a system that is begging for a high quality psu anyways. Just one that will last without issues and do what its needed to.
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a b ) Power supply
August 10, 2010 7:02:16 PM

These are the general requirements I found for HD4870s:

System Requirements 500 Watt or greater power supply with two 75W 6-pin PCI
Express power connectors recommended (600 Watt and four
6-pin connectors for ATI CrossFireX technology in dual mode)

Power Connector 2 x 6 Pin
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August 10, 2010 7:09:01 PM

I have to clarify that I dont leave in the US so newegg is no use to me :(  and I also dont have many options to chooose from that stay within my budget taking into consideration that here (Colombia) pc components cost twice or even more than in the US. Ill post a few links to the options I have and also the price in US dollars..

-Rosewill Green Series 530W Continuous (90 dollars new)
-Coolmax CL 700B (95 dollars used)
-OCZ 700 SXS (135 dollars new)
-A-Power AK680 (80 dollars new)

Any comments will help ty
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a b ) Power supply
August 10, 2010 7:12:22 PM

Go for the rosewill, I don't trust coolmax or A-Power. 530 Watts is enough for your system.
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a c 272 ) Power supply
August 10, 2010 7:23:02 PM

The rosewill Green series is good, i would take that over the other options.
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August 10, 2010 7:50:20 PM

ty i will go fore the rosewill then.. But most importantly, will it do the job? I have a light OC on my q6600 @2.8ghz so that will drain a bit more(i guess)... Anyways thanks
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a b ) Power supply
August 10, 2010 8:50:20 PM

^ It'll give you enough and more power.
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August 11, 2010 1:15:16 AM

OK guys just bought the video card (ati 4870) and hopefully it will arrive tomorrow... so one more question... since ill have to wait about a week in order to get the PSU, whats the worst thing that can happen (lets be realistic) if I try to run this gpu with the psu I currently have (HEC 400ad) while I wait for the other PSU? Thanks
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Best solution

a c 272 ) Power supply
August 11, 2010 1:23:43 AM

18A on the 12V rail, you will be extremely lucky if it passes POST, i find it incredibly unlikely that it will successfully boot to windows with only 216W from the 12V rail. The HEC may not have good protection since they are a lower level unit so there is a chance that it will do its best to run, overwork itself, and then die. When a power supply dies there is always a chance that it takes something with it.

I definitely do not recommend running the 4870 with the 400W unit at all.
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August 11, 2010 1:36:00 AM

OK thanks a lot for your info.. I guess Ill just have to be patient and stick with my 8600gt one more week
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August 11, 2010 1:36:14 AM

Best answer selected by ddanieln.
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