Hiper 580w ok for an 8800 GTS 640mb?

[Jie]

Ok, so I think I may have made a mistake ordering a Hiper 580w Modular PSU for my EVGA GTS. I'm using an SFF case (Sugo SG01) and read some desent review about the Hiper. I'm just concerned about if it is sufficient or not? Any thoughts? I was under the impression that +12@20A was fine....

Hiper 580w PSU
http://www.newegg.com/Product/Product.asp?Item=N82E16817128002

Thanks for the help!!

 

[Jie]

Doh! I guess I didn't do my homework well enough . The Hiper is enroute as we speak. Of all those PSUs you have listed, might you be able to recomend a good modular one? I was looking at the Enermax Liberty 620w.

Thanks again!

 

[vLm]

I'd agree with that ^^^

 

[AeroB1033]

A basic system with an 8800GTS needs a total of about 32A on the combined +12v rails. The 580W Hiper only offers a max of 30A. Check the top link in my sig for a list of good quality PSUs. The total +12v amperage of each unit is in red. Pick one with about 34A or better on the +12v rails and you will be all set.

I'm very skeptical about this. Do you have any tests to back it up? EVGA recommends a minimum of 26A on the combined rails, and 30A is a pretty safe margin over that. I've heard of people running not one but two 8800GTS cards in SLI, stable, using this 580W Hiper.

People tend to over-recommend when it comes to wattage these days, even with high consumption cards like the 8800.

 

[DoubleE460]

It would be a great surprise if the Hiper 580 couldn't run the evga even if it would be oc'd to the max. It's no way that the gpu can exceed all that juice that the Hiper delivers. Do we have any facts that it cannot deliver?

The power consumption of an entire rig with various cards... looks the Hiper should be well within the territory... even in SLI...

Articles:
http://www.pcper.com/article.php?aid=335&type=expert&pid=10
http://www.gamepc.com/labs/view_content.asp?id=8800&page=4&MSCSProfile=95385A1F52DEA1A229D5B37542054464E302C509D9A2CCCB8358931A77B53C33A1A0003C60136DC6A301298FFF2AFCCF86092A780DB0A30E33F07EBF98A592BC4F8E217E455F8A1D9371FBF9D845AE47BEB945FCA09D9A79A9C0A3FDAB7EA25860BFDEC2C22B3511C7F2BF4E81B357830CD48D24391EF4F86C978E0C0DFDCC4D8C3DB0398FF44059

 

[AeroB1033]

Yeah, the Hiper is supposed to put out 360 watts on the combined +12v rails, which is well over the load power consumption I've seen on many benchmarks like that.

Newegg reviewers aren't necessarily the most reliable source individually, but when so many people report good experiences on 8800s with this PSU it seems okay to me:

http://www.newegg.com/Product/CustRatingReview.asp?DEPA=0&Type=&Item=N82E16817128002&SortField=0&SummaryType=ALL&Pagesize=&Page=1

Hiper build quality is reputed to be excellent for the price as well.

 

[DoubleE460]

If anyone is in doubt check it from the hourses mouth...
http://www.hipergroup.com/English/products/hpu-4k580.html

According to this it can deliver 38A on the 12V rails well above the 8800 gts requirements. Where does the 30A figure come from?

 

[darkguset]

Ok, so I think I may have made a mistake ordering a Hiper 580w Modular PSU for my EVGA GTS. I'm using an SFF case (Sugo SG01) and read some desent review about the Hiper. I'm just concerned about if it is sufficient or not? Any thoughts? I was under the impression that +12@20A was fine....

Hiper 580w PSU
http://www.newegg.com/Product/Product.asp?Item=N82E16817128002

Thanks for the help!!

The very same link that you provided above, if you read at the bottom right side of the page at the user comments you will see a guy that runs it on a system with a 8800GTS, hence you got your answer, it works! LOL!

 

[darkguset]

I use a hiper. The Manuel clearly states that the +12v rails receive no more then 360W. Yes you can run a system with an 8800GTS on only 30A but you are really pushing it. The 32a recommendation is the max amount of power the CPU, Video card, HDD, and Optical drive will pull while at or near 100% load at the same time. Under real world situations if it ever did get to be that much power draw it would only be for a split second hear and there. Now you also need to take into account ageing of the PSU. As time goes on the PSU starts to loose its ability to sustain its max output. Given a year or 2 the PSU may only be able to sustain a max of about 26A on the +12v rails. You need to keep an eye towards your future needs. Always leave yourself some growing room in the PSU. I like to recommend leaving a good 2A to 4A of growing room in the PSU. There may be a lot of people running this kind of a system on 30A or less but that doesn’t make them smart. Check the PSU 101 sticky at the top of this section. There you will learn a good way to find the power needs of your system to help you make a better, more educated decision about what PSU you need.

@DoubleE460

The total amperage of the +12v rails is not found by adding the amperage of the 2 rails together. It's a little more complicated then that. The amperage listed per rail is the max that rail can sustain without failing. This is not the max it is being supplied. While you may have a full 20A load on the 2nd rail you would only get 10 from the 1st. If any more power then that is pulled from the first the PSU will shut off to prevent damage to itself and the system. Total amperage is found by taking the Max wattage being supplied to the +12v rails and dividing it by 12. Now as you can see on the web sight where it says Output Load Regulation. It list that there is 360W being supplied to the +12v rails. So you are only getting 30A max from the +12v rails.

PSUs' as all electrical component' ageing depends greatly on the usage of the component. Hence a PSU that operates close to its limits, yes it will deteriorate much faster, but one that operates well within limits will last for years. May i remind people that old non-branded PSUs around the world have been working for 10 years or more in old machines.
And by "sight" i think you meant site... lol