ASUS ROG MATRIX Radeon HD 7970 Platinum 3GB 384-bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Graphics Card MATRIX-HD7970-P-3GD5 ROG GPU Tweak suite offers the world's first graphics overclocking tool with loadline calibration and VRM overclocking. Acclaimed DIGI+ VRM joins superior quality 20-phase Super Alloy Power to drive precise digital control for enhanced performance, reliability, and card longevity. TOP-selected 1100MHz cores run 175MHz higher than reference for smoother gameplay. VGA Hotwire connects card and ROG board voltage regulators for accurate and solder-free hardware-level voltage control. TweakIt offers real-time fingertip-easy hardware level voltage adjustment by simply pressing the + and - buttons.