ASUS HD 7970 DirectCU II: coolest and quietest 28nm card

•     Cranked 75MHz over reference for an ultimate engine clock of 1000MHz

•     All new DirectCU thermal design utilizes six all-copper heatpipes and 20% bigger dissipation area, achieving 20% cooler and 14dB quieter performance than reference

•     Acclaimed DIGI+ VRM with 12-phase Super Alloy Power technology delivers precise digital power and enhanced durability for stable overclocking

•     VGA Hotwire allows you to plug and solder wires on the card’s voltage regulators and accurately read and control Vcore, Vmem, and PLL voltages on a hardware level

•     GPU Tweak utility helps you modify and tune clock speeds, voltages, and fan performance via an intuitive interface

•     One card drives up to six screens with AMD Eyefinity™ 6

for more details go to asus official web site