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I am uisng an old nvidia graphics card and now I am planning to upgrade to GTX 770. I will be using 2 similar video card in SLI mode for good gameplay. But I was wondering if the Antec High Current Gamer 750w power supply will be enough to run this card in SLI or not? Has anyone got some experience with a similar type of setup? Thanks
The Antec High Current Gamer 750W power supply has delta components and it has been working well to pull the over stated wattage before it could fail. Your PSU will be more than sufficient to run the graphics card in SLI. But there will be some SLI scaling issues with the GTX 770 card which could be a huge problem in your system.
If you are using 2 Geforce GTX 770 video card in SLI mode then Nvidia has specified that a minimum of 750Watt or greater power supply along with a combined +12 Volt continuous current rating of 60 Amps or great is required. The PSU also should have atleast four 6-pin PCI-Express connector to connect the graphics card for powering properly.
If the GTX 770 that you are getting is a factory overclocked graphics card then you should not get anything less than 850Watt power supply but I would recommend you to get a 1000Watt PSU, if these cards are in SLI. There are additional components in your system that also needs ample of power and if you chose to go for an overclocked card, then I would definitely suggest you to get 1000W PSU.