的確不太可能有1.3, 白皮書第12頁寫了
http://international.download.nvidi...paper_FINAL.PDF

The GeForce GTX 980 reference board design ships with three DisplayPort 1.2 connectors, one HDMI 2.0 connector, and one dual-link DVI connector. Up to four display heads can be driven simultaneously from one card.

解析度則是寫到5120 x 3200 @ 60Hz