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Title: PSU for 2 x Sapphire HD 7970 Post by: surphactone on June 01, 2013, 07:18:07 PM Hi
what kind of PSU need 2 x HD 7970 ? how many watts ? ??? Title: Re: PSU for 2 x Sapphire HD 7970 Post by: oper128 on June 01, 2013, 08:26:51 PM 650-750W minimum, just to be on a safe side.
Title: Re: PSU for 2 x Sapphire HD 7970 Post by: Geode on June 02, 2013, 12:00:00 AM SeaSonic 1000W or 1250W.
You may wish to add more cards later. Title: Re: PSU for 2 x Sapphire HD 7970 Post by: bsalvador on June 02, 2013, 01:21:41 AM I've got a Corsair AX860i running 2 7950s and a 7850 with about 150 watts to spare at around 94% efficiency. Pretty nice PSU and you can use the Corsair software to see how much energy you are using and how efficient it's running (but it has to be the AX860i to be able to use the software, not the regular AX version PSU). I wish I would have gotten a more potent version however because like Geode said above I'll probably want to put another card on my board and then I'll be over the limit.
Title: Re: PSU for 2 x Sapphire HD 7970 Post by: kazi308 on June 02, 2013, 06:50:37 AM Ive got an Antec 650W PSU chugging along just fine..
Title: Re: PSU for 2 x Sapphire HD 7970 Post by: lazydna on June 02, 2013, 07:10:46 AM 750 if u want to be safe with over clocks or peripherals.
You can do 650 bare bones though. Title: Re: PSU for 2 x Sapphire HD 7970 Post by: hasher87 on June 02, 2013, 07:11:02 AM 850w should be the minimum requirement, go for the +GOLD
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