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Overclocking The 7970 sapphire oc model

Johno645
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I am trying to overclock my 7970 and it seems to have a locked voltage of 1.2 mV so i can't go higher than 1150 mHz.

Is it worth unlocking the voltage (if so how) or should i stay with this 1150 mHz stable overclock?

CPU : i7 4960x @4.21ghz | Motherboard : MSI X79A-GD45 Plus ATX LGA2011 Motherboard | RAM : 32Gb @1600mhz Patriot Viper Red | GPU : Sapphire 7970 OC | Case : Cooler Master Centurion | Storage : 256Gb HyperX SSD + 2TB Seagate SSHD | PSU : Corsair GS800W | Display(s) : Acer B276HULA 27" 1440p + EDGE10 21.5" 1080p | Cooling : Corsair H110 | Keyboard : Corsair K95 | Mouse : Corsair M65 | Sound : Corsair Vengeance 2100 | Operating System : Win 7 Ult 64Bit

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Not worth voiding your warrenty on an air cooler. Only unlock the voltage if you plan to go water cooling. How? You need a custom bios to overwrite. Stay with the 1150 mhz OC. 

The BBQ: i7-4770 / 212x / Tri-X R9 290x 1075/1400 / MSI H87-G43 GAMING / EVGA G2 850W / Corsair Spec 03 / Samsung 840 EVO 250gb SSD / Toshiba 2TB HDD / 8gb Kingston DDR3 1600mhz

Peripherals: G710+ / G502 / Bose Companion 2 Series III / Audio Technica ATH-M40x / Sound Magic E50

Monitors: Dell U2414H 

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ok thanks, im planning to stay on air for the forseeable future.

CPU : i7 4960x @4.21ghz | Motherboard : MSI X79A-GD45 Plus ATX LGA2011 Motherboard | RAM : 32Gb @1600mhz Patriot Viper Red | GPU : Sapphire 7970 OC | Case : Cooler Master Centurion | Storage : 256Gb HyperX SSD + 2TB Seagate SSHD | PSU : Corsair GS800W | Display(s) : Acer B276HULA 27" 1440p + EDGE10 21.5" 1080p | Cooling : Corsair H110 | Keyboard : Corsair K95 | Mouse : Corsair M65 | Sound : Corsair Vengeance 2100 | Operating System : Win 7 Ult 64Bit

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