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newbie to SLI questions - Overclocking

post #1 of 5
Thread Starter 
This will be my first SLI setup.
I have some questions on strategy and methods of overclocking in SLI. I have a second GTX 570 on the way currently I have a OC of 841, on my GTX 570 when I get the second card should I overclock the second card separately and detach the other one then and to together and OC them together. And will MSI afterburner software allow me to change voltage on each card independently or will I have to find a voltage and clock that works for both cards ? please any feedback of methodology would be helpful.
 
4x r290's
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3x 7970's
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CPUMotherboardGraphicsGraphics
i7 3930K 4.8Ghz offset ASUS X79 Rampage IV Extreme GTX 780 with EK waterblock GTX 780 with EK waterblock 
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GTX 780 with EK waterblock  Samsung 16GB (4x4gb) 2400Mhz 10-12-12-31-1t @ 1... 256GB Samsung 950 Pro 256GB Samsung 840 Pro 
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RX360, EX360, EX360, and 480 Rad's XSPC Raystorm CPU Block Dual boot (other unnamed OS) and Win8 Pro QNIX QX2710 27" 2560x1440 @ 112hz 
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Corsair K90 Corsair AX1200 Corsair 700D Modded w/ External Radiators 
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Thee 16x Risers and One 1x Riser 
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i7 3930K 5Ghz Bench ASUS X79 Rampage IV Extreme 3x AMD 7970's w/ EK water blocks Samsung 16GB (4x4gb) 2400Mhz 10-12-12-31-1t @ 1... 
Hard DriveCoolingCoolingMonitor
128GB Samsung 830  RX360, RX240, EX360 XSPC Raystorm CPU Block QNIX QX2710 27" 2560x1440 @ 114hz 
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Corsair K90 Corsair AX760i Corsair 700D Modded w/ External Radiators 
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4x r290's
(9 items)
 
3x 7970's
(16 items)
 
CPUMotherboardGraphicsGraphics
i7 3930K 4.8Ghz offset ASUS X79 Rampage IV Extreme GTX 780 with EK waterblock GTX 780 with EK waterblock 
GraphicsRAMHard DriveHard Drive
GTX 780 with EK waterblock  Samsung 16GB (4x4gb) 2400Mhz 10-12-12-31-1t @ 1... 256GB Samsung 950 Pro 256GB Samsung 840 Pro 
CoolingCoolingOSMonitor
RX360, EX360, EX360, and 480 Rad's XSPC Raystorm CPU Block Dual boot (other unnamed OS) and Win8 Pro QNIX QX2710 27" 2560x1440 @ 112hz 
KeyboardPowerCase
Corsair K90 Corsair AX1200 Corsair 700D Modded w/ External Radiators 
CPUMotherboardGraphicsRAM
Intel i5 3570K GA-Z77X-UD3H 4x R9 290's 8GB 1600Mhz 
Hard DriveOSPowerCase
1TB Hard Drive Win8 Corsair Dual PSU - AX1200 and HX650 Open Case 
Other
Thee 16x Risers and One 1x Riser 
CPUMotherboardGraphicsRAM
i7 3930K 5Ghz Bench ASUS X79 Rampage IV Extreme 3x AMD 7970's w/ EK water blocks Samsung 16GB (4x4gb) 2400Mhz 10-12-12-31-1t @ 1... 
Hard DriveCoolingCoolingMonitor
128GB Samsung 830  RX360, RX240, EX360 XSPC Raystorm CPU Block QNIX QX2710 27" 2560x1440 @ 114hz 
KeyboardPowerCase
Corsair K90 Corsair AX760i Corsair 700D Modded w/ External Radiators 
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post #2 of 5
MSI afterburner will let you set each card independently or link them to be the same. I set mine to be the same and found an overclock that works on both cards. I think its better to run both cards at the same clock but I don't know if you have to.
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i5-2500K Asus P8P67 WS Revolution 2x MSI GTX 465 SLI 2 x 4GB Corsair XMS3 
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Crucial M4 512GB SSD Lite-On iHAS424-98 Prolimatech Megahalems Windows 7 64-bit 
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27" Planar 37" Vizio Logitech G510 Corsair AX 850W 
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HAF 932 Black Edition Logitech G500 Razer Goliathus Alpha L - Control Asus Xonar DX 
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Computer
(16 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K Asus P8P67 WS Revolution 2x MSI GTX 465 SLI 2 x 4GB Corsair XMS3 
Hard DriveOptical DriveCoolingOS
Crucial M4 512GB SSD Lite-On iHAS424-98 Prolimatech Megahalems Windows 7 64-bit 
MonitorMonitorKeyboardPower
27" Planar 37" Vizio Logitech G510 Corsair AX 850W 
CaseMouseMouse PadAudio
HAF 932 Black Edition Logitech G500 Razer Goliathus Alpha L - Control Asus Xonar DX 
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post #3 of 5
I reccomend using MSI Afterburner and in the settings make sure "Sync settings with similar graphics processors" is checked and then start OCing slowly with the core/shader and then the memory.

Or you can do it the hard way. Hook up your monitor to one card with SLI off, find max overclock.Do the samething on the other card. Hook every thing back up to the main card, enable SLI. It will set all cards to the speed of the lowest max overclock out of the two cards.
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Intel Core i7-960 Bloomfield 3.2GHz Asus GeForce GTX570 2 x 4GB G Skill Sniper DDR3 1 TB Seagate 7200 
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OCZ 128GB SSD LG Bluray Drive Windows 7 64 Bit Dell UltraSharp U2412M IPS 
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Close Combat
(14 items)
 
  
CPUGraphicsRAMHard Drive
Intel Core i7-960 Bloomfield 3.2GHz Asus GeForce GTX570 2 x 4GB G Skill Sniper DDR3 1 TB Seagate 7200 
Hard DriveOptical DriveOSMonitor
OCZ 128GB SSD LG Bluray Drive Windows 7 64 Bit Dell UltraSharp U2412M IPS 
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Razor BlackWidow Mechanical NZXT 850W Halo 90 Corsair 650D Logitec G500 
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post #4 of 5
Thread Starter 
so there is no problem doing them at the same time
 
4x r290's
(9 items)
 
3x 7970's
(16 items)
 
CPUMotherboardGraphicsGraphics
i7 3930K 4.8Ghz offset ASUS X79 Rampage IV Extreme GTX 780 with EK waterblock GTX 780 with EK waterblock 
GraphicsRAMHard DriveHard Drive
GTX 780 with EK waterblock  Samsung 16GB (4x4gb) 2400Mhz 10-12-12-31-1t @ 1... 256GB Samsung 950 Pro 256GB Samsung 840 Pro 
CoolingCoolingOSMonitor
RX360, EX360, EX360, and 480 Rad's XSPC Raystorm CPU Block Dual boot (other unnamed OS) and Win8 Pro QNIX QX2710 27" 2560x1440 @ 112hz 
KeyboardPowerCase
Corsair K90 Corsair AX1200 Corsair 700D Modded w/ External Radiators 
CPUMotherboardGraphicsRAM
Intel i5 3570K GA-Z77X-UD3H 4x R9 290's 8GB 1600Mhz 
Hard DriveOSPowerCase
1TB Hard Drive Win8 Corsair Dual PSU - AX1200 and HX650 Open Case 
Other
Thee 16x Risers and One 1x Riser 
CPUMotherboardGraphicsRAM
i7 3930K 5Ghz Bench ASUS X79 Rampage IV Extreme 3x AMD 7970's w/ EK water blocks Samsung 16GB (4x4gb) 2400Mhz 10-12-12-31-1t @ 1... 
Hard DriveCoolingCoolingMonitor
128GB Samsung 830  RX360, RX240, EX360 XSPC Raystorm CPU Block QNIX QX2710 27" 2560x1440 @ 114hz 
KeyboardPowerCase
Corsair K90 Corsair AX760i Corsair 700D Modded w/ External Radiators 
  hide details  
Reply
 
4x r290's
(9 items)
 
3x 7970's
(16 items)
 
CPUMotherboardGraphicsGraphics
i7 3930K 4.8Ghz offset ASUS X79 Rampage IV Extreme GTX 780 with EK waterblock GTX 780 with EK waterblock 
GraphicsRAMHard DriveHard Drive
GTX 780 with EK waterblock  Samsung 16GB (4x4gb) 2400Mhz 10-12-12-31-1t @ 1... 256GB Samsung 950 Pro 256GB Samsung 840 Pro 
CoolingCoolingOSMonitor
RX360, EX360, EX360, and 480 Rad's XSPC Raystorm CPU Block Dual boot (other unnamed OS) and Win8 Pro QNIX QX2710 27" 2560x1440 @ 112hz 
KeyboardPowerCase
Corsair K90 Corsair AX1200 Corsair 700D Modded w/ External Radiators 
CPUMotherboardGraphicsRAM
Intel i5 3570K GA-Z77X-UD3H 4x R9 290's 8GB 1600Mhz 
Hard DriveOSPowerCase
1TB Hard Drive Win8 Corsair Dual PSU - AX1200 and HX650 Open Case 
Other
Thee 16x Risers and One 1x Riser 
CPUMotherboardGraphicsRAM
i7 3930K 5Ghz Bench ASUS X79 Rampage IV Extreme 3x AMD 7970's w/ EK water blocks Samsung 16GB (4x4gb) 2400Mhz 10-12-12-31-1t @ 1... 
Hard DriveCoolingCoolingMonitor
128GB Samsung 830  RX360, RX240, EX360 XSPC Raystorm CPU Block QNIX QX2710 27" 2560x1440 @ 114hz 
KeyboardPowerCase
Corsair K90 Corsair AX760i Corsair 700D Modded w/ External Radiators 
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post #5 of 5
I overclocked mine together at the same time in SLI. Do like Krymore said: Go to settings in MSI Afterburner and check "synchronize settings for similar graphics processors." Then when you change the settings both cards will be set the same.
Computer
(16 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K Asus P8P67 WS Revolution 2x MSI GTX 465 SLI 2 x 4GB Corsair XMS3 
Hard DriveOptical DriveCoolingOS
Crucial M4 512GB SSD Lite-On iHAS424-98 Prolimatech Megahalems Windows 7 64-bit 
MonitorMonitorKeyboardPower
27" Planar 37" Vizio Logitech G510 Corsair AX 850W 
CaseMouseMouse PadAudio
HAF 932 Black Edition Logitech G500 Razer Goliathus Alpha L - Control Asus Xonar DX 
  hide details  
Reply
Computer
(16 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K Asus P8P67 WS Revolution 2x MSI GTX 465 SLI 2 x 4GB Corsair XMS3 
Hard DriveOptical DriveCoolingOS
Crucial M4 512GB SSD Lite-On iHAS424-98 Prolimatech Megahalems Windows 7 64-bit 
MonitorMonitorKeyboardPower
27" Planar 37" Vizio Logitech G510 Corsair AX 850W 
CaseMouseMouse PadAudio
HAF 932 Black Edition Logitech G500 Razer Goliathus Alpha L - Control Asus Xonar DX 
  hide details  
Reply
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