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SLI Power Delivery

post #1 of 5
Thread Starter 
Hope this is the right spot for this.

I've got 2 GTX 970s im throwing under water and overclocking balls to the walls.

The question is; the PCI-E power cables on my seasonic platinum 1200w PSU are single cables with 2 PCI-E power connectors at the end of each cable. Which is fine if you use use both connectors for a single card, but a hell of a mess if i need to use 2 separate cables for each gpu.

So can i get away with 1 cable with 2 connectors at the end?

Also my mobo has a spot to plug in a molex for extra power to the cards when running SLI. I'd really, really prefer not to use that (especially before i get around to sleeving the cables) can i get away without that as well?

Thank you!
    
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post #2 of 5
Quote:
Originally Posted by Bluemustang View Post

Hope this is the right spot for this.

I've got 2 GTX 970s im throwing under water and overclocking balls to the walls.

The question is; the PCI-E power cables on my seasonic platinum 1200w PSU are single cables with 2 PCI-E power connectors at the end of each cable. Which is fine if you use use both connectors for a single card, but a hell of a mess if i need to use 2 separate cables for each gpu.

So can i get away with 1 cable with 2 connectors at the end?

Also my mobo has a spot to plug in a molex for extra power to the cards when running SLI. I'd really, really prefer not to use that (especially before i get around to sleeving the cables) can i get away without that as well?

Thank you!

YEP, that will work just fine. thumb.gif
post #3 of 5
Thread Starter 
Quote:
Originally Posted by LaBestiaHumana View Post

YEP, that will work just fine. thumb.gif
While at the same time not using the additional molex plug my asrock z97 extreme4 has available?
    
CPUMotherboardGraphicsGraphics
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16gb GSkill Sniper 2200mhz Crucial MX100 256gb Samsung F3 1TB Samsung F3 1TB 
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Seagate 3TB EK Supremacy Evo EK Nickel VGA Block x2 w/ Backplates Alphacool UT60 480mm Rad 
CoolingCoolingCoolingOS
Alphacool XT45 480mm Rad Dual D5 Pump w/ Dual Pump Top Gentle Typhoon AP-15s x18 Win 7 64 bit 
MonitorMonitorPowerCase
Qnix QX2710 1440P + 1080P IPS secondary Benq W1070 Projector on 120" Screen Seasonic Platinum 1200w Corsair 900D 
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I7 4790k 4.7ghz Asrock Z97 Extreme4 Gigabyte G1 GTX 970 SLI @ 1590Mhz Gigabyte G1 GTX 970 SLI @ 1590Mhz 
RAMHard DriveHard DriveHard Drive
16gb GSkill Sniper 2200mhz Crucial MX100 256gb Samsung F3 1TB Samsung F3 1TB 
Hard DriveCoolingCoolingCooling
Seagate 3TB EK Supremacy Evo EK Nickel VGA Block x2 w/ Backplates Alphacool UT60 480mm Rad 
CoolingCoolingCoolingOS
Alphacool XT45 480mm Rad Dual D5 Pump w/ Dual Pump Top Gentle Typhoon AP-15s x18 Win 7 64 bit 
MonitorMonitorPowerCase
Qnix QX2710 1440P + 1080P IPS secondary Benq W1070 Projector on 120" Screen Seasonic Platinum 1200w Corsair 900D 
MouseMouse PadAudioAudio
Logitech G9X Mionix Propus 380 ATH AD700 Creative X-Fi Titanium 
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post #4 of 5
I've seen that additional molex, but only on boards that support 4 GPUs.

Unless you're running LN2, or 3 heavily volted GK110 cards, you won't need the extra molex. 970s are very power efficient.
post #5 of 5
Thread Starter 
Great to hear, thanks.
    
CPUMotherboardGraphicsGraphics
I7 4790k 4.7ghz Asrock Z97 Extreme4 Gigabyte G1 GTX 970 SLI @ 1590Mhz Gigabyte G1 GTX 970 SLI @ 1590Mhz 
RAMHard DriveHard DriveHard Drive
16gb GSkill Sniper 2200mhz Crucial MX100 256gb Samsung F3 1TB Samsung F3 1TB 
Hard DriveCoolingCoolingCooling
Seagate 3TB EK Supremacy Evo EK Nickel VGA Block x2 w/ Backplates Alphacool UT60 480mm Rad 
CoolingCoolingCoolingOS
Alphacool XT45 480mm Rad Dual D5 Pump w/ Dual Pump Top Gentle Typhoon AP-15s x18 Win 7 64 bit 
MonitorMonitorPowerCase
Qnix QX2710 1440P + 1080P IPS secondary Benq W1070 Projector on 120" Screen Seasonic Platinum 1200w Corsair 900D 
MouseMouse PadAudioAudio
Logitech G9X Mionix Propus 380 ATH AD700 Creative X-Fi Titanium 
Audio
Logitech X-530 
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CPUMotherboardGraphicsGraphics
I7 4790k 4.7ghz Asrock Z97 Extreme4 Gigabyte G1 GTX 970 SLI @ 1590Mhz Gigabyte G1 GTX 970 SLI @ 1590Mhz 
RAMHard DriveHard DriveHard Drive
16gb GSkill Sniper 2200mhz Crucial MX100 256gb Samsung F3 1TB Samsung F3 1TB 
Hard DriveCoolingCoolingCooling
Seagate 3TB EK Supremacy Evo EK Nickel VGA Block x2 w/ Backplates Alphacool UT60 480mm Rad 
CoolingCoolingCoolingOS
Alphacool XT45 480mm Rad Dual D5 Pump w/ Dual Pump Top Gentle Typhoon AP-15s x18 Win 7 64 bit 
MonitorMonitorPowerCase
Qnix QX2710 1440P + 1080P IPS secondary Benq W1070 Projector on 120" Screen Seasonic Platinum 1200w Corsair 900D 
MouseMouse PadAudioAudio
Logitech G9X Mionix Propus 380 ATH AD700 Creative X-Fi Titanium 
Audio
Logitech X-530 
  hide details  
Reply
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