Best Buy: ASUS NVIDIA GeForce GTX 1080 Ti 11GB GDDR5X PCI Express 3.0 Graphics Card Black STRIXGTX1080TIO
EVGA GeForce GTX 1080 Ti FE 11GB GDDR5X PCI Express 3.0 SLI Support FOUNDERS EDITION Video Card 11G-P4-6390-KR GPUs / Video Graphics Cards - Newegg.com