Also according to Cnet
The new Surface Pro 4 also includes two cameras:
a front-facing 5-megapixel camera with Windows Hello facial recognition, and
an 8-megapixel rear camera.
Ports include a reversible USB-C connector for power and docking,
a Mini DisplayPort,
a headset jack,
a full-size USB 3.0 port, and
a microSD card reader.
Microsoft will also offer an optional docking station with four USB 3.0 ports, two 4K-capable DisplayPorts, and an Ethernet jack that can all be added to the tablet using a single USB-C cable.
WAIT WHAT
Ports include a reversible USB-C connector for power and docking
This is unconfirmed but that's a significant departure if true... how would this work with the SP3 dock?
Appears CNet is wrong Anadtech indicates no USB-C
Pricing and models from Anadtech