Connections & expansions
4 x USB 3.0 (one high power port)
Full-size SD ™ card reader (SDXC) compatible
Mini DisplayPort
Headset jack
Compatible with Surface Dial on-screen interaction*
1 Gigabit Ethernet port
If you look at the "Compare Surface Models" section below the "Tech Specs" section, you'll see the following listed under Surface Studio in the last group titled Ports:
Four full-size USB 3.0
Ultra-High Speed Full-size SD card reader
Headset jack
Mini Displayport
Ethernet
