Here is an example:įor this one you would also need a miniDP-DP adapter, since this one has a full size Displayport connector.Īpple mentions this issue briefly at the end of their tech note on multiple displays. The active adapters cost around $30 apiece. In your case you will only need two you can hook one projector up to the HDMI port and one with a passive adapter, so you would only need two active adapters for the other two projectors. You can use as many active adapters as you want (up to six) because to the Mac it will simply appear that you are hooking up Dispalyport monitors.

The limitation only applies to passive adapters. I just did some research here and came across this thread There are a number of mini display port supporting projectors but I also have very specific short throw projectors and would prefer to stay with HDMI. Is there any display adapter technology that emulates or translates the thunderbolt signal to HDMI/DVI or DSUB while still convincing the mac that it is indeed connected to thunderbolt displays? Or more accurately they allow for the connection of exactly 2 monitors (that is regardless of whether or not I am using the built in HDMI port). So how, if at all, can I connect four projectors to this machine? Thunderbolt/Mini Display to HDMI adapters do not work. Source Mac Pro (Late 2013): Using multiple displays Two HDMI (HD or 4K) devices: one connected via HDMI and one connected via Mini DisplayPort with an HDMI adapter (see note below). One 4K Ultra HD TV or 4K display using HDMI and four Apple Thunderbolt Displays (27-inch), Apple LED Cinema Displays (27-inch), or third-party Mini DisplayPort displays. Three 4K displays: two connected via Mini DisplayPort and one connected via HDMI. Six Apple Thunderbolt Displays (27-inch), Apple LED Cinema Displays (27-inch), or third-party Mini DisplayPort displays.

How to split screen a mac for projector