ASUS GeForce GTX 1080 8GB ROG STRIX, NVIDIA GeForce GTX 1080, PCI Express 3.0, 8GB GDDR5X. Powered by NVIDIA Pascal, ROG Strix GTX 1080 brings performance and customization to another level with 1733 MHz Boost paired with Super Alloy Power II and Aura RGB Lighting on the shroud & backplate. DirectCU III cools efficiently and quietly, while new ASUS FanConnect provides dual 4-pin GPU-controlled PWM fan headers.