There are 3 DisplayPort 1.4a ports and 1 HDMI 2.1 port. However, it is important to check your card's specific ports before buying. Some cards may have two HDMI ports and two DisplayPort ports.
You can run two 4K monitors with it, but three 1440p monitors will not be enough with its maximum resolution of 7680*4320. The card is not powerful enough to run four monitors simultaneously at 1080p, so you'll have to stick to 1080p.