Idenitfy Your Laptop Ports Our 12 inch attachable triple monitor only support Type-C (DP or thunderblot) and HDMI ports. The minimum port requirements are as follows: 1 x HDMI & 1 x USB-C with (DP1.2 or Thunderbolt) ——OR 2 x USB-C with (DP1.2 or Thunderbolt) Please identify your laptop ports to find the right connecting method to the Tri-Screen in the next step. Click here to check all details.