EVGA GTX™ 1080 Ti FTW3 HYBRID Kit is an AIO Water Cooling System. You do not need to add any coolant, and the system is completely self-contained. EVGA GTX™ 1080 Ti FTW3 HYBRID Kits have been leak-tested at the factory before shipping to customers.
EVGA North America's #1 NVIDIA partner. 'Overall i'm very happy with my purchase of the EVGA NU Audio sound card which has improved the audio quality of both music and games on my system.- CyberbrainPC (EVGA.