ASUS ROG POSEIDON GeForce GTX 980 4 GB DDR5 256-bit DisplayPort HDMI 2.0 DVI-I Graphics Card 1279MHz Boost Clock, 63MHz higher than reference card. 2X cooler and 3X quieter performance with ASUS exclusive Direct CU H2O thermal solution, with standard G1/4-inch threaded DIGI+ VRM with 10-phase Super Alloy Power: deliver 30% cleaner power noise and 2.5X greater durability Japan-made black metallic capacitors: 20% better temperature endurance and 5X longer lifetime usage GPU Tweak utility allows you to tune graphics card performance and check card status via an intuitive interface