Can I SLI an EVGA GTX 550Ti FPB to an EVGA GTX 550Ti SC?

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FromTheDepths
Yes, though the superclocked version would have to be downclocked to match the clock rate of the first.
The PSU you'd need would need to be pretty hefty, considering a 550 Ti takes 24A on the 12V rail, so 48A for both.
I'd say at least 750 Watts to be safe.
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FromTheDepths

FromTheDepths

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Dec 25, 2013
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Yes, though the superclocked version would have to be downclocked to match the clock rate of the first.
The PSU you'd need would need to be pretty hefty, considering a 550 Ti takes 24A on the 12V rail, so 48A for both.
I'd say at least 750 Watts to be safe.
 
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Solution
Mousemonkey

Mousemonkey

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Sep 3, 2006
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Actually the 550Ti only needs about 9.6 amps not 24.

http://www.geforce.com/hardware/desktop-gpus/geforce-gtx-550ti/specifications

A good 500w PSU would be enough depending on the rest of the PC.
 
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FromTheDepths

FromTheDepths

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Dec 25, 2013
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24A for an entire system with a 550Ti.
I screwed up on my math there, accidentally doubled it all.

 
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cst1992

cst1992

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Nov 8, 2013
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No, you won't need to do anything, it'll do that on its own.
The 550Ti FPB has a core clock of 951 MHz and a memory clock of 1089 MHz.
The 550Ti Superclocked has a core clock of 981 MHz and a memory clock of 1128 MHz.
The Superclocked will lower its clocks to 951/1089 to match the FPB.
 
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