eVGA GTX 295 Co-op Power Requirement

[iTravis]

The listed requirement for the GTX 295 is at least 680W and 46 amps on a single 12V rail. I have a Corsair HX650W that provides up to 52A and an OC QX9650, would that be enough to run it?

[zalbard]

Should be enough I guess.
I'd consider getting a more powerful PSU, though, as this setup would not have much headroom.

[iTravis]

Should be enough I guess.
I'd consider getting a more powerful PSU, though, as this setup would not have much headroom.

I just got the HX650W 2 months ago :( The guy who sells it said that he used it with a 700W SLI Certified PSU and still not enough so it kinda sweat me a bit. Anybody with experience like this?

[Starage]

Pick up a new power unit and keep the 650 as a back up. Better safe than sorry.

[Migelo]

Is 650W enough to power this system:
CPU: Intel q9450
MB: eVGA 780i FTW
GPU: 5870
RAM: 4x2GB A-data DDR2 800Mzh
HDD: 2x750 Samsung Spinpoint F1 (RAID0)

[iTravis]

Pick up a new power unit and keep the 650 as a back up. Better safe than sorry.
Like I said since I just got it, it...doesn't make sense for me to get a new one that's why I'm asking. Anyway I got the card and been running it, doing some benchmarks with my QX9650 @4.0Ghz and play game without any problems so I think I'm good.

[qote]
Is 650W enough to power this system:
CPU: Intel q9450
MB: eVGA 780i FTW
GPU: 5870
RAM: 4x2GB A-data DDR2 800Mzh
HDD: 2x750 Samsung Spinpoint F1 (RAID0) [/quote]

You'll be fine with it since the HD5870 doesn't consume power as much as the GTX 295, especially when it's idle, somewhere around 25-27W if I remember correctly. A decent 650W PSU should handle that system with a single card just fine.

[Migelo]

You are right. I did some research and find out that the GTX260 I currently own requires 270W at full load, meanwhile the HD 5870 I'm looking forward to buy, requires about 100W less.
While I was looking for 5870 power requirements I found two different numbers. First is: Max chip power 110W and max board power 188W. What does the last one mean? Is this the amount of power motherboard can supply to the GPU or what?

Take a closer look at: http://vr-zone.com/forums/482538/hd-5850-hd-5870-power-consumption.html

[vengance_01]

Just as it reads. The 5870's gpu (the die portion) needs 110 watts of power. Then the rest of the board has its own requirements as well. Add the 2 together and your done.

[Migelo]

So the card alone requires 110W and the mobo requires additional power to operate with the GPU? Am I right?

[darthcani]

At eVGa site specs :

Requirements
Minimum of a 680 power supply.
(Minimum recommended power supply with +12 Volt current rating of 46 Amps.)
An available 6-pin PCI-E power connector and an available 8 pin PCI-E power connector