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SLI information needed

Tags:
  • Asus
  • Gtx
  • SLI
  • Graphics
Last response: in Graphics & Displays
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April 22, 2014 9:21:12 PM

Hello guys,

1. Can you tell me that if I can set up SLI between XFX9900GT(i bought 5 years ago) and ASUS GTX 750ti 2GB DDR5.

and if your answer will be no then I have one more question to ask :

In that case,I want to buy two ASUS GTX 750ti 2GB DDR5 and set up SLI , I have a
corsair 750wt power supply , is that power supply enough? I'm giving you more detail:

My pc components:
1. 8GB(2GB x 4) of RAM 1333 mz
2. Core 2 Duo 3 Gz processor
3. two ASUS GTX 750ti 2GB DDR5 (i will buy)
4. 4 LED Fans
5. OCZ cpu cooler

So is my corsair 750wt power supply enough to run all this comfortably?

More about : sli information needed

April 22, 2014 9:23:52 PM

1. No you cannot

2. Yes that is enough for two 750Ti
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April 22, 2014 9:25:31 PM

1. you need a similar card in order to SLI
2. that much watt is way more than enough
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April 22, 2014 9:29:53 PM

^Everyone's pretty much covered it.

For SLI, you need two identical/similar cards of the same series, eg two 760s.

A good Corsair PSU has power to spare ontop of what it's already rated for, and 750w is more than enough power for two 750 Ti's anyway. You're good to go.

Is there a reason you want to be running two cards instead of a single card setup? It sounds like you already have a 9900, which is being replaced, but I wouldn't run an SLI of two 750s unless you already own one and are only purchasing a second. A single card setup of the same price will always be a better option, if possible.

EDIT:
Actually, mgolus (below) is right - I've been thinking of some of the Radeon cards that can run in Crossfire over PCIe without a bridge; you actually can't have two 750Ti's in SLI in the first place - they don't support multi-GPU setups.
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April 22, 2014 9:30:47 PM

The GTX 750 TI cannot be used in an SLI setup as it does not have an SLI bridge connector. This was the same for the GTX 650 TI. Nvidia later made a 650 TI Boost edition that supported SLI, but there is not currently a "boost" version of the 750 TI.
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April 22, 2014 9:37:48 PM

Do not SLI 2 brand new cards. Buy one even better card for the same price.

Also, your CPU will limit any high end GPU so consider upgrading that too.
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April 23, 2014 2:03:02 AM

Actually my situation is little more complicated....I'm not being able to decide what should i do!...I wanted to make a Gaming rig for a long time.Anyway My situation is like this:

-> I had 9900 GT,it's safe and sound till now...but i wanted to play games like FARCRY 3 , BATTLEFIELD 4 in ultra resolution,So I bought Sapphire HD 7790

--> But when i was going to play COD Ghosts then I saw loading is taking too much time & game is very slow running in case of ultra resolution....So i decided to buy 2 ram (GSkill 2GB)..COD ghosts recommended ram memory is 8GB,I have that now . And for smooth running in Ultra resolution I bought another sapphire HD 7790
and decided to crossfire them

-->But although I connected them with Crossfire bridge the option named "crossfire" in AMDCatalystCenter is not showing...and after a long R&D I think My motherboard( xfx 790iultra ) doesn't support crossfire ( i'm not fully sure about it).

--> I have BENQ XL2420T LED monitor...so i shold have goood graphics cards to run games in Ultra..isn't it?

So,what should I do now ?


In case you needed , My Motherboard's detail Spec & Support is here:
http://www.nvidia.com/object/product_nforce_790i_ultra_...

Plz guys...... give me some suggestion!!
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