Can I switch my a6755d 9500 GS GTX 295 gpu?

Hi guys, newbie here.

I recently bought a hp pavilion a6755d desktop computer and went generic vs brand. Specs are decent with core 2 duo e7300, bus 1066 MHz front end and 6400 PC 4g ram. It also comes with a CPU graph nvidia 9500 s so there is a x 16 pci-e expansion slot used by the latter. I think the upgrade to the gtx 295, after the upgrade of the power supply 1, 000w.

My question is: I don't know the specifications of the expansion slot, and if it's going to be a compatibility issue (I'm not sure that pci - e 2.0 x 16 means as specified in gtx 295 and what is the specification of the model of my camera, just what the textbook says is pci-e x 16). I would like to know if it's possible to do, or I would encounter problems.

Thanks in advance to those who will highlight.

Message edited by DoogieTop on 03/21/2009 22:20
Message edited by DoogieTop on 03/21/2009 22:21

First off you should not worry so much about the rating of the PSU, it's the amperage that is important.  The GTX295 requires a 46 combined on the independent 12v rails and 680w amps.  These reference numbers are based on a system fully loaded with an Intel Core i7 965 Extreme Edition processor that you have not anywhere near power intensive.  Unless you plan to go Quad-SLI in the future I don't think you need such a big power supply.

If I had your configuration and plan your upgrade I would look for a brand name "80 plus" PSU 650w - 750w but with 50 to 60 amps on the 12v rails.

Another problem I see is that most 1000w PSU is VERY deep.  Definitely check the dimensions of the PSU before buying.  And now you pay a premium for more than the brand 700-750 Watt PSU.

Check out this link to see how many watts is in fact using your system, I think you will be surprised:

http://www.extreme.outervision.com/psucalculatorlite.jsp

And all the 200 series reference (GTX260 - GTX295) Geforce cards are double wide slot and 10.5 "long.  It should fit in your case.

BUT THE BOTTOM LINE IS YOUR CPU WILL BE A IMPORTANT bottleneck BOTTLENECKS to A GTX295 and probably every 200 series GPU.

Tags: HP Desktops

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