Solved GeForce GTX 460 will it run?

July 28, 2011 at 03:19:57
Specs: Windows XP, 2.7GHz/2GB
Hey guys,

Im not so inclined in the power management area so I have a question.

I am due to swap my XFX 9600GT XXX Edition for a GTX460 tommorow from a work colleague.

Really good swap indeed, he has an alienware that he no longer uses so I was the first to ask for his GPU to squeeze some extra frames out of my games!

I currently have a 400watt PSU, with 22amps on the +12v rail, my 9600gt works fine on it.

(It uses 1x6 pin to 2x molex)

Other hardware I use is an AMD Athlon dual core 2.7GHz processor, 2x 1GB Kingston RAM, 1x 300GB Seagate @ 7200RPM, 1x Optical Drive (which can be unplugged to save on power consumption if it makes any difference) and 1x 120mm fan.

Running on a cardboard box PC (table top, no case).

I have no problems with overheating on my current setup, the GPU rarely exceeds 60 degrees.

I know the reqs for the 460 is 500watts, not sure on +12v amperage, however, would it be safe to underclock the 460 to use less power?

Obviously when installing I will be taking baby steps, ill start by testing the GUI (moving windows aggressively etc.), then dxdiag display tests, then start off with low end games working up to (highest game i play at the mo is MW2) high-spec ones, will be monitoring this throughout.

Would any of the graphics experts here have a rough ratio of working/failure risks?

My guess is probably 6/10, in which case I would be willing to take the risk, however if anybody here is running a GPU with lower power reqs please let me know your horror stories or if it works for you.

This isnt going to be a fixed method, it is to be temporary until I buy a new PSU and case (2-3 weeks)


Edit: I also understand the risks involved when running this at lower power, i.e. instablity, PSU damage and possible collateral damage...but if I ever see symptoms of this, I will be powering down and swapping out immediately!

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July 28, 2011 at 04:44:05
Don't do it. Get a good quality 500W+ PSU. Be patient and wait for those 2-3 weeks. Hardware can be damaged quicker than you can pull the plug.

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July 28, 2011 at 07:05:55
✔ Best Answer
"I know the reqs for the 460 is 500watts"

It's not the wattage, it's the amperage. The GTX 460 requires about 70W more than the 9600 GT. That accounts for another 5-6 amps from the +12v rail. A decent 400W PSU should be adequate for a system with a GTX 460, but 22A on the +12v isn't gonna get the job done. And if your current PSU doesn't have a 6-pin PCIe plug (which is probably why you're using the molex adapter), it's probably an older unit. I agree with ijack, wait until you get the new PSU. But why do you have to wait 2-3 weeks?

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July 28, 2011 at 07:24:36
Im currently in an apprenticeship with microsoft.

The wage is absolutely appalling (£105p/w), so will have to save a couple of weeks spare cash after bills etc. etc.

Yeah, I don't think there is a 6-Pin PCI on my PSU (was only a £30 alternate to one that previously stopped working), as I mentioned, the 9600gt came with the 6 pin adapter that plugged into the GPU and connected to 2x molex's from the PSU.

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July 28, 2011 at 07:29:43

Would you mind showing me a PSU 6 pin PCI plug? Because I was always under the impression, that the PCI plug always connects to Molex anyway?

This is what I have (1 of them) my friends 460 takes 2xPCI adapters (which he has 2 of them to give to me)

Just for speculation, thanks miqliq.

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