“Video producer Adam Matthews wanted to double the number of 4K monitors hooked up to his Mac Pro, so he built an external GPU to do it,” Ben Lovejoy reports for 9to5Mac. “He used a Sonnet Thunderbolt chassis with an AMD 7970 GPU – before discovering that the machine could actually drive all six monitors without it.”

Lovejoy reports, “When Matthews tried connecting the monitors using only the twin graphics cards built into the Mac Pro, just to see what would happen, he found he was still able to get 60Hz on each, suggesting that Apple has been conservative in its claims.”

Read more in the full article here.

Apple’s website states:
• You can connect up to six of the following properly-configured displays to your Mac Pro (Late 2013).
• Six 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.
• 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.
• Two HDMI (HD or 4K) devices: one connected via HDMI and one connected via Mini DisplayPort with an HDMI adapter.
• Six DVI displays. This configuration requires an active DVI adapter.

MacDailyNews Take: Wow!

How we’re getting along with only 1/3rd the amount of displays per workstation (27-inch iMac + 27-inch monitor) as Adam is beyond us!