• MaxContact Technology that is 2X more contact with GPU for improved thermal transfer.
• Patented Wing-Blade IP5X-Certified Fans for maximum airflow and longer fan lifespan.
• ASUS FanConnect II equips with hybrid controlled fan headers for optimal system cooling.
• Industry Only Auto-Extreme Technology with Super Alloy Power II delivers premium quality and best reliability.
• ASUS Aura Sync RGB LED synchronization enables a gaming system personalization.
• VR-friendly HDMI ports let you enjoy VR experiences anytime without having to swap cables.
• GPU Tweak II with XSplit Gamecaster provides intuitive performance tweaking and real-time streaming.

https://www.asus.com/hk/Graphics-Cards/ROG-STRIX-RXVEGA64-O8G-GAMING/overview/

3 years warranty