Using two graphics cards of different models


I recently decided to upgrade my computer and I wanted to come here and check with the experts to find out if my hardware choices are compatible.

Current specs:
MB: Foxconn A88GMX DDR3 (link)
CPU: AMD Phenom II X4 965 3.4ghz AM3 (link)
GPU: GeForce GTX 570 (link)
Memory: Crucial Ballistix Sport 16gb - 4 x 4gb (link)
HDD: Seagate 2TB SATA 6.0Gb/s (link)
Power Supply: RAIDMAX HYBRID 2 RX-730SS 730W ATX (link)

Here's what I'd like to upgrade:
MB: ASUS P8Z77-V LK LGA 1155 Intel Z77 (link)
CPU: Intel i7-3770 (link)
GPU: GeForce GTX 770 (link)

Now, I was hoping that I could keep my old GTX 570 and combine it with the 770, but honestly I don't know the first thing about multiple graphic cards, SLI, crossfire, or any of that. I'd like some insight on that, if possible.

If those two cards can work okay together, my next question is whether or not I need to upgrade my power supply. I keep seeing conflicting wattage's, so I don't know exactly how much I'll be using or how much I'll need. I know that if I just replace the 570 with the 770 instead of using both, then my current power supply will work fine. One thing that was confusing me quite a bit was figuring out what the PCI E slot was for the power supply. I'm not sure what "4 x 6+2-Pin" looks like on the MB or where to find it in the MB specs. I don't even know if my current power supply will work with this new MB.

I should note that I've already bought the MB and CPU - they're already being delivered.

Can't wait to see your replies.

5 answers Last reply Best Answer
More about graphics cards models
  1. Best answer
    Nope, has to be of the same GPU generation to SLI/Crossfire cards, like you could crossfire a 760 and a 770 or a 560 and 570 but not a 570 and 770 no sir I'm sorry, I say sell your old card and just use the money to pay for your upgrades :)

    But you could do this
  2. Yes, your new parts would be compatible with each other.

    Just curious, why Z77 over Z87?

    No you have to SLI the same series of graphics cards. EX- 770 and 770.

    Maybe upgrade your cpu cooler too?
  3. Thanks for the quick response, Patrick.

    It looks like the PhysX option isn't worth it since the game I play the most doesn't support it atm.

    But my upgrades clear, right? No compatibility issues?

    Performance wise, what would you think about doubling up with 570's? Or do you think just one 770 would be better? I really have no clue.
  4. Thanks for the reply, fixer.

    There's no reason for the Z77 over the Z87. When I found the new parts, it was based on a list of specifications that would work with my current setup, was cost effective, not old enough to be outdated, or new enough to be ridiculously expensive. That one seemed like the best fit, but I would have payed a bit extra for the Z87 if I'd known about it. It would have been wise for me to consult you guys before I bought the parts.

    I'm currently using Cooler Master Hyper 212 EVO (link) for my CPU, which after checking it out, thankfully it appears it works with my new CPU.
  5. Ok cool. CM 212 evo will cool your cpu and mount to your new motherboard.
    Make sure you get some thermal paste or compound on your cpu and clean off the old paste off the CM 212 evo. I like the Noctua compound.

    You could add another fan to the other side of the CM 212 if you wanted for a bit extra cooling.
    Happy to help.
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