R9FURYX -4G Graphics Card. 4GB HBM memory for the best gaming experience & the best resolution, Free 1-year Premium License (USD 99.95 /yr) of Customized ASUS GPU Tweak II x XSplit Gamecaster utility, ASUS GPU Tweak II Utility for Real-time and intuitive tweaking, PCI Express 3.0 Delivers double bandwidth per lane of PCIe Gen 2 for faster GPU CPU communication.