Asus Rog-Strix-Gtx1080-O8G-11Gbps Graphics Card - ROG-STRIX-GTX1080-O8G-11GBPS - Walmart.com
Used - Like New: ASUS ROG Poseidon GeForce GTX 1080 TI 11GB Platinum Edition DP HDMI DVI Gaming Graphics Card (ROG-POSEIDON-GTX1080TI-P11G-GAMING) - Newegg.com
Best Buy: ASUS GeForce GTX 1080 Founders Edition 8GB GDDR5X PCI Express 3.0 Graphics Card GTX10808G