Looking to upgrade an XPS 8700 into a new graphics card.

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MrTwinkeh

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Dec 8, 2013
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I am going to purchase an XPS 8700 (http://www.dell.com/us/p/xps-8700/pd?oc=fdcwgx315&model_id=xps-8700#overrides=fdcwgx315:11~W7HP61E), but I am unsatisfied with the graphics card as I look to use it for a bit of non-hardcore gaming. I want to use a NVIDIA GeForce GTX 760, but I have a few questions:

1. The 760 is the same width, but much longer than the 645. Will it fit in the case?
2. Does the XPS 8700 have enough wattage to power it safely?
3. If not, what is a cheap power supply that I can buy in order to power it?

That is all.

Thank you.
 
Solution
ko888
For a system using a single GeForce GTX 760 graphics card NVIDIA specifies a minimum of a 500 Watt or greater system power supply that has a maximum combined +12 Volt continuous current rating of 30 Amps or greater and that has at least two 6-pin PCI Express supplementary power connectors. Some of the GeForce GTX 760 cards have a single 8-pin or two 8-pin or one 6-pin and one 8-pin PCI Express supplementary power connectors.

Total Power Supply Wattage is NOT the crucial factor in power supply selection!!! Sufficient Total Combined Continuous Power/Current Available on the +12V Rail(s) rated at 45°C - 50°C ambient temperature, is the most critical...
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ko888

ko888

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Feb 18, 2009
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For a system using a single GeForce GTX 760 graphics card NVIDIA specifies a minimum of a 500 Watt or greater system power supply that has a maximum combined +12 Volt continuous current rating of 30 Amps or greater and that has at least two 6-pin PCI Express supplementary power connectors. Some of the GeForce GTX 760 cards have a single 8-pin or two 8-pin or one 6-pin and one 8-pin PCI Express supplementary power connectors.

Total Power Supply Wattage is NOT the crucial factor in power supply selection!!! Sufficient Total Combined Continuous Power/Current Available on the +12V Rail(s) rated at 45°C - 50°C ambient temperature, is the most critical factor.

Overclocking of the CPU and/or GPU(s) may require an additional increase to the maximum combined +12 Volt continuous current ratings, recommended above, to meet the increase in power required for the overclock. The additional amount required will depend on the magnitude of the overclock being attempted.

The Dell 460 Watt OEM Delta Electronics or Acbel Polytech or Huntkey power supply unit, with its maximum combined +12 Volt continuous current rating of 32 Amps and with two 6-pin PCI Express supplementary power connectors, is sufficient to power your system configuration with a single GeForce GTX 760 graphics card.
 
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KBros9

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Jul 29, 2013
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Hi Ko888,

I have the same XPS 8700. Tried to upgrade with a Radeon HD7870 I bought for $170. Great card but it crashes at startup- black screen. I tried reseating the memory, taking out the CMOS battery, disabling secure boot... I am about to return it.

Can you advise a similar priced graphic card with solid performance and efficiency (concerned with heat and power)?

I bought this to play BF4, now m back to my xbox. Can't wait to get my GPU replaced.....

Thanks

I also upgraded my power supply to a corsair CX600, 600w. Judging by your advice, I should return it and save the money for a better GPU I guess..
 
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Rosspest

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Jan 5, 2014
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I added a Nvidia 660 to mine and had to disable secure booting in the BIOS to get it to work. You have to reinstall the old GPU, then press F12 when you see the screen with the Dell Logo. Disable secure booting in the BIOS, then try reinstalling the new GPU and see if that works.
 
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jb6684

jb6684

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Feb 20, 2011
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- will GTX 760 fit; get a tape measure out and check how much Length will fit (be sure to account for power connectors)
- someone listed a 460watt, so, no I'd upgrade (Corsair CX600M would be my chose at low end of cost, plenty of power)

 
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jb6684

jb6684

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Feb 20, 2011
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@KBros9 :

Nah, keep the Corsair CX600..... better supply that will run cooler & quieter and will likely last longer than the stock supply....

In gaming adequate is often not sufficient.....

(Hey a 4 cylinder honda will do 120mph, so will a V8 mustang GT, both are very reliable cars, but which one do you think will last Longer at 120mph ????? )
 
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