GTX 660ti SLI Compatibility (MSI and Asus)?

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djm04298

Commendable
Nov 14, 2016
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Hello component wizzes!

I've been doing some research here and there on SLI compatibility amongst 2 different manufacturers for the gtx 660ti. I have an MSI gtx 660ti Power Edition that I would like to pair up with an ASUS gtx 660ti DirectCU II.

MSI: https://www.techpowerup.com/gpudb/b341/msi-gtx-660-ti-pe-oc
ASUS: https://www.techpowerup.com/gpudb/b52/asus-gtx-660-ti-directcu-ii

When I went on the NVIDIA faqs and other forums in search for compatibility between different manufacturers' cards, most of them told me that as long as they have equal video ram (2gb & 2gb), I should be fine. For a few other sites though, they told me that some models, despite being the same lineup (660ti), are incompatible due to some odd reasons. I wasn't able to find any other websites that can tell me whether if the two specific brand models (Asus & MSI) are compatible. Would these two cards be able to run side by side in SLI? Thank you, in advance!
 
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In general, if they are the same model (both 660ti's) and have the same amount of cores and VRAM, theoretically they should be compatible but some people have come across issues even when the specs are matched. Would you be purchasing the second card from a friend or from a store/online store? I'd recommend trying the cards together before buying the second one if possible to make sure.

Have you made sure that your PSU can handle the extra load and that your motherboard supports SLI? (Could you list your full specs including PSU make and model please?)

Personally I always go for a single, more powerful card as this will generally use less power and you will avoid the issues that can come with SLI.

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Sergeant_Sneaky

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Mar 25, 2015
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In general, if they are the same model (both 660ti's) and have the same amount of cores and VRAM, theoretically they should be compatible but some people have come across issues even when the specs are matched. Would you be purchasing the second card from a friend or from a store/online store? I'd recommend trying the cards together before buying the second one if possible to make sure.

Have you made sure that your PSU can handle the extra load and that your motherboard supports SLI? (Could you list your full specs including PSU make and model please?)

Personally I always go for a single, more powerful card as this will generally use less power and you will avoid the issues that can come with SLI.

 
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djm04298

Commendable
Nov 14, 2016
6
0
1,520


The SLI setup is actually for my friend haha I just recently upgraded from the MSI gtx 660 ti to a gtx 980 and I was wondering what to do with the 660ti. Fortunately enough, I have a friend that has the Asus gtx 660ti in his system and him being a casual gamer, I thought I might sell it to him at a low cost and he seemed really interested. I'm not too sure about his PSU but he did say if his current PSU lacks power, he might as well grab a new PSU for around $100 rather than spending $200-400 on a brand new mid-ranged card (gtx 970 or equivalent) that will come close to the performance of 2x gtx 660ti SLI. From what I've gathered from your comment, I guess it wouldn't hurt him in the long run to get a new, more powerful PSU right now to test out the SLI setup. Thank you for your help so far, and if you do so happen to come across any new info on this topic, please let me know!
 
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