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Wanting to go crossfire 7870

post #1 of 11
Thread Starter 
My question is I am considering going Cross Fire with 7870's, since they price is really at a great place for performance my only question is will my Power and Cooling Silencer MK III 600W Modular be enough for it, with my i5 2500k oc at 4.2 with master 212 cooler etc?

And also, would these two together be better in performance then one 7970?
Gaming on one screen at 1080!thumb.gif
post #2 of 11
600W is plenty for two of those cards... although, can you list your complete specs?
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Ol' Sandy
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post #3 of 11
Thread Starter 
CPU i5 2500k (OC' 4.2GHz) Mobo AS Rock Z77 Extreme Ram 8gb Kingston HyperX 1600
GPU GTX 560 SE
HHD WD Caviar 500 GB SSD Crucial M4 128GB SATA III
PSU Power and Cooling Silencer MK III 600W Modular- CPU Cooler Cool Master Hyper 212 -
Case Thermaltake Element V Black Edition Steel Full Tower


And if you would be help, does it make a difference in choosing the ghz edition or not? Because thats what I was looking at!
post #4 of 11
Quote:
Originally Posted by kuruptx View Post

CPU i5 2500k (OC' 4.2GHz) Mobo AS Rock Z77 Extreme Ram 8gb Kingston HyperX 1600
GPU GTX 560 SE
HHD WD Caviar 500 GB SSD Crucial M4 128GB SATA III
PSU Power and Cooling Silencer MK III 600W Modular- CPU Cooler Cool Master Hyper 212 -
Case Thermaltake Element V Black Edition Steel Full Tower
And if you would be help, does it make a difference in choosing the ghz edition or not? Because thats what I was looking at!

That PSU should be good to go (it is a trooper that thing!) thumb.gif
If you can get the GHz edition for a reasonable price then why not smile.gif
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Ol' Sandy
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VMware ESXi 5.5 SeaSonic SS-400FL2 Fractal Define R3 
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post #5 of 11
thumb.gif
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post #6 of 11
Thread Starter 
Do you guys have any recommendations on which brand to choose from?
I was thinking either

Sapphire

http://www.newegg.com/Product/Product.aspx?Item=N82E16814102983

Or Gigabyte

http://www.newegg.com/Product/Product.aspx?Item=N82E16814125418
post #7 of 11
BTW a 2x7870's should be faster than a 7970 (in theory - but then you get to potentially enjoy the issues with dual-GPU, not saying that you will tongue.gif).
I'd get the Sapphire for cheaper, and bump the core clock to match the Gigabyte (or higher).
Ol' Sandy
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"Zeus"
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Elite Preview
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Plextor PX-256M5S 256GB Samsung EVO 1TB Hitachi HDS721010CLA332 Hitachi HDS723020BLA642 
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Hitachi HDS723020BLA642 Hitachi HUA722010CLA330 WDC WD10EARS-00Z5B1 TSSTcorp CDDVDW SH-S223B 
CoolingCoolingOSMonitor
Phanteks PH-TC14PE with TY-140's Lamptron FCv5 (x2) Windows 8 Pro 64-bit Dell U2412M 
MonitorMonitorMonitorKeyboard
Dell U2412M Dell U2212HM Dell U2713HM Topre Realforce 87UB | Ducky DK9087 G2 Pro 
PowerCaseMouseMouse Pad
Corsair AX-750 Corsair Obsidian 650D Logitech G700 XTRAC Ripper XXL 
AudioAudioAudioAudio
Beyerdynamic DT-770 Pro 250ohm Schiit Bifrost DAC Schiit Asgard 2 HiVi Swan M50W 2.1 
CPUMotherboardRAMHard Drive
Intel Xeon E5-2620 Super Micro X9SRL-F-B 128GB 1333MHz LSI 9271-8i 
OSPowerCase
VMware ESXi 5.5 SeaSonic SS-400FL2 Fractal Define R3 
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Ol' Sandy
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"Zeus"
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Plextor PX-256M5S 256GB Samsung EVO 1TB Hitachi HDS721010CLA332 Hitachi HDS723020BLA642 
Hard DriveHard DriveHard DriveOptical Drive
Hitachi HDS723020BLA642 Hitachi HUA722010CLA330 WDC WD10EARS-00Z5B1 TSSTcorp CDDVDW SH-S223B 
CoolingCoolingOSMonitor
Phanteks PH-TC14PE with TY-140's Lamptron FCv5 (x2) Windows 8 Pro 64-bit Dell U2412M 
MonitorMonitorMonitorKeyboard
Dell U2412M Dell U2212HM Dell U2713HM Topre Realforce 87UB | Ducky DK9087 G2 Pro 
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AudioAudioAudioAudio
Beyerdynamic DT-770 Pro 250ohm Schiit Bifrost DAC Schiit Asgard 2 HiVi Swan M50W 2.1 
CPUMotherboardRAMHard Drive
Intel Xeon E5-2620 Super Micro X9SRL-F-B 128GB 1333MHz LSI 9271-8i 
OSPowerCase
VMware ESXi 5.5 SeaSonic SS-400FL2 Fractal Define R3 
CPUMotherboardGraphicsRAM
Intel Core i5-3437U HP EliteBook Folio 9470m  Intel HD Graphics 4000  16GB DDR3 SDRAM 
Hard DriveOS
256GB SSD Windows 10 Insider Preview 
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post #8 of 11
Quote:
Originally Posted by kuruptx View Post

Do you guys have any recommendations on which brand to choose from?
I was thinking either
Sapphire
http://www.newegg.com/Product/Product.aspx?Item=N82E16814102983
Or Gigabyte
http://www.newegg.com/Product/Product.aspx?Item=N82E16814125418
Any of these will be Great. smile.gif
post #9 of 11
Thread Starter 
Alright i've installed single gpu's but never two.

Let me ask this, I have one chord that plugs from back of monitor to the back of my Computer to the GPU, I think its a DVI to VGA D sub adapter the one with the white end.

Anyways, how will this work plugging it into two? Just I only have to plug it into 1 to get the power of both?
post #10 of 11
Quote:
Originally Posted by kuruptx View Post

Alright i've installed single gpu's but never two.
Let me ask this, I have one chord that plugs from back of monitor to the back of my Computer to the GPU, I think its a DVI to VGA D sub adapter the one with the white end.
Anyways, how will this work plugging it into two? Just I only have to plug it into 1 to get the power of both?

you only plug your monitor to the first card. I have two 7870 gigabyte. Factory oc but wont go much past that. Get the saphire if you enjoy overclocking. And yes 2x 7870 is substantially faster than one 7970
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