PSU Calculator

[Frank Lee]

For all those in need of help in determining the wattage you'll need for your new or existing system, Antec's PSU calculator is the perfect place. You can input your custom system's specs and find out exactly what you'll need.

Frank

[how1]

Don't have any faith in those gizzmos.

[Frank Lee]

Don't have any faith in those gizzmos.

Hi how1,

I think it's a great way to at least use it as a measuring bar to what you have in mind.

Frank

[Gazza]

It's very nice, but it does look very similar to the eXtreme Power Supply Calculator Lite here :-

http://www.extreme.outervision.com/p...ulatorlite.jsp

[PeterStoba]

It's very nice, but it does look very similar to the eXtreme Power Supply Calculator Lite here :-

http://www.extreme.outervision.com/p...ulatorlite.jsp

It's the same thing! I know you were being sarcastic, but just pointintg it out to others

[Gazza]

It's the same thing! I know you were being sarcastic, but just pointintg it out to others

Not sarcastic really...it just made me giggle when it looked VERY familiar

[Frank Lee]

Not sarcastic really...it just made me giggle when it looked VERY familiar

They're actually the ones who provide our calculator. They've just allowed us to brand it on our site.

Good looking out =)

Frank

[Georgy291]

so if that thingy says i need 670watts and my pc is running off a crossair 450w PSU with out hickups what do i do?

[Chanfron]

Hi

How accurate are these online PSU calculators?

I inputed details for the new machine I am going to consider and it says I only need a 600W PSU

I entered

Overclocked to 3Ghz Core i7 920
Highend Desktop Board
3 sticks of DDR3
SLI Geforce GTX285
DVDRW+BluRay Drive
2 SATA Hdd
Soundblaster Card
4 USB
5 120mm Standard Fans

I would have thought this would need a 1000W min PSU, the Nvidia SLI zone does not list anything below 1000W as being certified for SLI 285.

The one on the ASUS website says that systems needs 950W, I cant post links yet but you can find it by searching Yahoo for Asus PSU calculator.
Thats a big differance between the two.

Thanks

[Dreaming]

Hi Chanfron the most important thing is amps and quality of power, vs actual wattage. For example my system uses about 250w under load (measured at the wall), but I have an efficient PSU with lots of amps etc.

I suggest if you are stuck ask in the hardware forum on here:
http://forums.hexus.net/hexus-hardware/

as there really are some clever people about on here who will know exactly what is sufficient for that system. I feel hesitant to recommend other brands on the antec boards (and antec do have good power supplies themselves) but there is a wide selection of choice out there. Some antec recommendations:

http://www.antec.com/Believe_it/product.php?id=MTIyMQ==

Since a 550 runs my system with loads of overhead I think the quality is quite good, BUT and I must stress I am not a PSU expert and am not 100% up to date with the current tech, the two main things to worry about (everything else is not really critical) is the Core i7 which is a hungry beast in terms of power and the GTX285 which is similarly hungry.

I would be willing to bet with my 'no need for excess' approach the neo power 650 would work with your proposed system but then I wouldn't want to be responsible when you turn it on it blows up!

Avoid cheap brands like the plague also they wont have the amperage or the ability to hold high loads without explosions!

edit: just realised you said SLI so you are intending to use two GTX285s and I don't think the neo power 650 would be sufficient

[Chanfron]

Thanks for the reply

I know to avoid cheapo PSU I am just wondering what PSU I need for the system I am looking at building, I will start with one display card till I get a better monitor then will consider going SLI.

Just trying to find out if I really need a 1000W PSU or will an 850W do, was looking at the Antec Signature or Corsair PSUs. I would rather go overkill to be safe so maybe 1000W is the way to go, its just they are pritty expensive.

[Frank Lee]

Thanks for the reply

I know to avoid cheapo PSU I am just wondering what PSU I need for the system I am looking at building, I will start with one display card till I get a better monitor then will consider going SLI.

Just trying to find out if I really need a 1000W PSU or will an 850W do, was looking at the Antec Signature or Corsair PSUs. I would rather go overkill to be safe so maybe 1000W is the way to go, its just they are pritty expensive.

Sorry for the obvious plug, but I just wanted to point out that the Antec Signature is one of the most technologically advanced PSUs out there. Some of the features that our competitors still don't have are, four +12V rails, DC to DC Regulator Modules to ensure supreme system stability, 80 PLUS® Bronze Certification, an 80mm cooling fan that uses Pulse Width Modulation (PWM) for whisper-quiet operation, and 850Watt continuous power output, unlike all our competitors who only mention peak output.

Frank

[haveron]

I never use them as an exact measurement, but a rough estimate. THanks

[haveron]

The calculator hasn't been updated with the new 4980

[Frank Lee]

The calculator hasn't been updated with the new 4980

Thanks haveron,

I'll let my guys know and try to update it ASAP.

Frank