will 9600gt run safely on my PSU?

[regularguy]

I'm getting a new 9600gt, will it run with no problems on my PSU? its 350W with 2 v12 each has 20A on it, here is the details of the PSU:
http://www.compucase.de/englis...dmill/s3003500ptw.php#

click on the specifications, its the second one. not a popular brand but it never caused any issues with me and runs smoothly.

total output for v12 rails = 276



is that good? I dont have much else on my system, just the following:

E6750 processor
ASUS p5k motherboard
single 250GB HD
1x2 GB DDR2 Ram 800 bus
DVD writer drive.


thats it.

 

[happy medium]

I think you will be fine. I wouldn't overclock though.

 

[Jephph]

Should be all right. You're getting close to maxing out though, so if there is a problem, look to the psu first.

 

[regularguy]

well over clocking is out of the question ofcourse. however what i want to make sure of, nvidia lists 400w and 26A on the 12v rail as recommended for this card.. is this only a "just in case" suggestion or is that the REAL LIFE minimum? and is that only reachable under immense load? thats because i looked at some reviews the ENTIRE system power consumption never got over 250-260 watts under load and they were using more power-hungry components like C2 Extreme processors etc...so its not really the power consumption that worries me I think but the Amp difference, nvidia says 26A and I have 23A, is that also an over estimation on their part just to stay safe or is that really the minimum?

I have a friend who also has a 350w PSU with around the same amperage and runs a 8800gt on it for months and he seems to be doing fine. is it about the same requirements between the 2 ?


oh and a side question: the 9600gt card I'm getting is a Chaintech, what do you guys think of that brand?

 

[mwmorph]

You'll be safe and you can overclock. Companies run much higher wattage and amperage suggestions to be on the absolute safe side. If you've ever read reviews about these cards, total system power ends up somewhere like 230W under load, even SLI systems don't reach 400W power drawn from the wall, not even supplied to the components.

As for 26A on the +12rail, it means combined, not on a singe rail, ever since the ATX whatever standard, the industry has shied away form putting above 18A per +12 rail. Even 600 or 800W power supplies will usually have 3 or 4 +12 rails rated at 18A each. Few companies do signifigantly more than 18A, PC&P being the one I can think off of the top of my head.

The only thing that is sort of weird is your power ratings. 40A combines +12v is not not 350W but more like a 400W PSU, 40A seems very high for the rating.

As a sidenote, i ran a overclocked X1950GT on a generic 350W PSU and a overclocked 9800Pro on a 240W PSU so there's a LOT of leniency with power if you know your system well enough, compared to your system, I have a Athlon 64, 2 sticks of ram, 2 HDDs, a add on PCI card and a DVR-RW drive.

 

[hans007]

im pretty sure almost any atx 2.03 power supply cna run a 9600gt if you arent loading the rest of it crazily (i..e have a pentium D 840 power sucking machine or a barcelona or something also o nit)

400 watt is plenty for a 9600gt. i run my 9600gt on a 380 watt antec and im sure it'd run fine on less. its about the same power requirements as a 7900gt

 

[MarcVenice]

mworph, you do realize you can't simply add up those 2 20a 12v rails, right ? It sais the PSU can put out 276 total on the combined 12v rails, so that's 23a total, not 40a. It should be allright. That is assuming the 400w isn't a peak rating. But from the few reviews I've seen on HEC's they are somewhat 'decent' PSU's.

 

[KeypoX]

As others said you have more than enough... people are very ill informed on power requirements

 

[hans007]

at 23amps total..

if you have a 65watt core 2 duo which i dont think any come close to using 65watts even at load, with say 1 hard drive 2 sticks of ram, and a video card (i think the 9600gt is 90 watts max)

it shoudl be plenty of power. i figure in reality most core 2 duos use at max 40 watts, a 9600gt about 90 watts at full load maybe.. hard drive is about 10 watts for a 7200rpm, and memory for 2 sticks is about 10 watts lets say at load, maybe another 15 for your motherboard (well i know a g33/p35 chipset uses 15 watts for north and south bridge combined max tdp)

so 40+90+10+10+15 is still well under 276 watts and its not like you'll ever be at max load on eveything... the main thing is the 20 amps per rail. a single 9600gt cant really use more than 8 amps so you are ok. you probably could even have 2 9600gt, if you didnt have too much other stuff inthe system.


im assuming you dont have 4-5 hard drives, or like 10 120 mm fans.... i guess you'd have to add a few watts for each case fan etc, but it hink even a 120mm fan uses only 12 v x .5 amps or so at most. so thats like 6 watts for the fastest biggest fans.

 

[HOOfan 1]

Originally posted by: mwmorph
You'll be safe and you can overclock. Companies run much higher wattage and amperage suggestions to be on the absolute safe side. If you've ever read reviews about these cards, total system power ends up somewhere like 230W under load, even SLI systems don't reach 400W power drawn from the wall, not even supplied to the components.
.

But to counter that some PSU companies also way overstate how much power their PSU can output