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Can I use a PSU with 1 x 6 pin & 1 x 8 pin power connectors on a 7950?

post #1 of 9
Thread Starter 
I have seen a Sapphire Vapor X OC card that I want to buy to replace my MSI R6850 Cyclone Power OC - however as the thread title states my current PSU (OCZ ZS 550w) only has 1x 6pin and 1x 8 pin power connector, whereas the Sapphire 7950 Vapor X requires 2 x 8 pin power connnectors.

1. Is it possible for me to power this card with 1 x 6pin and 1 x 8 pin instead?

2. Is there any alternative 7950 cards that my PSU could power with these connectors?

Any help you guys could provide would be much appreciated
post #2 of 9
your good. that psu has these . .

1 x 6-Pin, 1 x 6+2-Pin

that gpu has these . . .

1 x 6-Pin, 1 x 6+2-Pin


Edited by rdr09 - 3/26/13 at 3:56pm
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post #3 of 9
Thread Starter 
Thanks for the reply but are you sure - the Sapphire website claims this model requires "2X150 Watt 8-pin PCI Express power connector is required."

http://www.sapphiretech.com/presentation/product/?cid=1&gid=3&sgid=1157&pid=1547&psn=&lid=1&leg=0#

Not sure if this is a typo on the Sapphire website or if anyone can verify the definite connectors on the Vapor X OC Card?
post #4 of 9
I had a pair of 6970 lightnings before that came with 6-pin to 8 pin adapters. Really useful. Don't know if that sapphire card comes with it.

Edit : according to the link you posted it comes with a 2x molex to 8 pin adapter. You'll be able to get it working as long as you have two free molex connectors. Won't be pretty but it'll work
Edited by rjmana - 3/26/13 at 4:02pm
post #5 of 9
i am positive.
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post #6 of 9
Was looking at pictures. rdr09 is right. Its 6+8 pin. And in case its not, the adapter's your failsafe.
post #7 of 9
do you really need that dual dvi's or will this model work (egg is down and losing sales atm)

http://www.superbiiz.com/detail.php?name=AT-7950BST

not sure if the vapor x is voltage unlocked but the one above i read is.
Edited by rdr09 - 3/26/13 at 4:19pm
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post #8 of 9
Thread Starter 
No don't need dual DVi's, but thought the Vapor X cooler was good to have as v cool and quiet. Can get the card for £248 online just now which is only around £10 more than the MSI version so thought it was worth going for? From what i've read it's worth getting a boost 7950, so that's a definite.

I should state I live in the UK so am looking at UK retailers.

Do you know if there's any other deals out there, but the Vapor X seems to be coming in cheaper at £248 than what I can find for the other OC editions?

Is there any particular OC Boost 7950's anyone would recommend for a decent overclock with decent noise levels?
post #9 of 9
no need to rush. i advise you ask in this forum/thread to get the latest. they've been locking voltages as of late like they did to my gigabyte 7950.

http://www.overclock.net/t/1196856/official-amd-radeon-hd-7950-7970-7990-owners-thread
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