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SLI Two Different Video Cards?

post #1 of 7
Thread Starter 
Is it possible to run two different video cards (e.g. 7800 & 7900) in an SLI setup? My eVga 7800GT CO (n517) has been discontinued and I am looking for options.
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post #2 of 7
I dont think it is possible, I thinks it only alows you to have the same model but different clocks
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devil's canyon
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presler
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CPUMotherboardGraphicsRAM
i7-4790K Gigabyte Z97 MX-G5 ZOTAC 1060 AMP! 6Gb 16gb Corsair XMS3 1600 
Hard DriveHard DriveCoolingCooling
ADATA 128Gb NVMe Intergral 480Gb ssd Phobya UC-2LT Plexi XSPC X4 Tank Combo 
CoolingCoolingOSMonitor
Nexxxos XT45 280 2x AC F14 PWM Win 10 Pro BenQ GL2250HM 
KeyboardPowerCaseMouse
Cherry compact Corsair CX750M Bitfenix Pandora Core Corsair Sabre RGB 
AudioOther
Realtek ALC1150 Aten CS682 KVM 
CPUMotherboardGraphicsRAM
Pentium D 915  Dell USFF Intel GMA 950 4gb Corsair ddr2 
Hard DriveOptical DriveCoolingCooling
WD Caviar 80gb sata II  Slim dvd rw Stock Copper Heatpipe  2x 60mm Sunnon fans 
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XP sp2 BenQ GL2250HM Logitech k400 220W external 
CaseMouseAudio
Optiplex USFF w/ cable cover Logitech k400 Onboard SoundMAX 
CPUMotherboardGraphicsRAM
Core2Etreme QX6800  ASUS P5K Asus Turbo GTX960 OC 8gb NANYA DDR2 800 
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post #3 of 7
no, you can run any two like gpu cards, but you can't mix and match.

so any two 7800GT's will run SLI together no matter brand, clock frequencies, or amount of RAM. but you can only run a 7800GT with another 7800GT

if I had a little extra cash flow I'd sell you mine and upgrade, but I don't have the money at the moment
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post #4 of 7
Nope. Either sell your 7800GT and get a 7900GT, or try and find a 7800GT. They're still around, but there aren't many of them and they're more expensive than the 7900GT.
post #5 of 7
Quote:
Originally Posted by Namrac
Nope. Either sell your 7800GT and get a 7900GT, or try and find a 7800GT. They're still around, but there aren't many of them and they're more expensive than the 7900GT.

it'd prob be cheaper to find a 7800GT than to buy two new 7900GT's
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post #6 of 7
I never said he should buy two new 7900GTs... one would still give him a drastic performance boost, cost less, and he could sell his current card.
post #7 of 7
Quote:
Originally Posted by Namrac
Nope. Either sell your 7800GT and get a 7900GT, or try and find a 7800GT. They're still around, but there aren't many of them and they're more expensive than the 7900GT.
I just bought one on eBay for $200- thats pretty much your only option if you don't wanna spend tons of bucks.
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