![\"Asus](\"http:\/\/mygaming.co.za\/news\/wp-content\/uploads\/2012\/07\/Asus-HD7970-TOP.jpg\" "\\"Asus")
<\/a>Asus HD7970 TOP<\/p><\/div>\n
Sapphire HD 7970 OC edtion<\/h3>\n
Sapphire also have a range of special edition graphics cards, including OC (overclock). The 7970 OC graphics card features a Dual link DVI connector, an HDMI port and two mini display ports for a range of screen options.<\/p>\n
It ships with a dual-BIOS system, one with a GPU core clock of 950MHz and memory clock of 1,425MHz for regular use, and a second with\u00a0 GPU core clock of 1,000MHz and memory clock of 1,450MHz for overclocking use.<\/p>\n
Also present is a new cooler with multiple heat pipes for dissipating heat away from the graphics card core, dual fans to cool the heat-pipes, and dual-extractor technology to remove warm air from inside the cooler and dump it into the PC case.<\/p>\n
<\/a>Sapphire HD 7970 OC<\/p><\/div>\n
MSI HD 7970 Lightning<\/h3>\n
Another high-end brand synonymous with extreme overclocking, the lightning series from MSI is known for its high core speeds under liquid nitrogen cooling.<\/p>\n
The card comes with 4 Mini DisplayPorts, one single link DVI-I port, and one single link DVI-D port for up to 6 simultaneous monitor connections. It also features MSI’s own Twin Frozr IV cooler with special dust protection.<\/p>\n
The card features a fully unlocked BIOS with no over-voltage protection, allowing overclockers to push extreme voltages. The circuitry is designed to handle twice the power load of normal HD 7970 graphics card for more stable overclocking when the voltages are raised.<\/p>\n
Also present is GPU reactor, an add on device for the graphics card that increases total power capacity of the card by 88 percent and eliminates power ripple, once again to improve stability during extreme overclocking.<\/p>\n
<\/a>MSI HD 7970 Lightning<\/p><\/div>\n
XFX 7970 Black Edition<\/h3>\n
XFX’s 7970 Black edition card is part of a well respected series of graphics cards that are used by gamers and overclockers alike.<\/p>\n
It features XFX Hydrocell thermal cooling, which makes use of separate cells within the cooler. Each cell has condensation wicks and evaporation wicks to efficiently transfer energy away from the graphics card core and into the rest of the cooler.<\/p>\n
Two Mini DisplayPorts, and HDMI port and a DVI port make sure nearly any monitor can plug right into the card.<\/p>\n
<\/a>XFX HD 7970 Black Edition<\/p><\/div>\n
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