A:AnswerThe USB-C port is a version 3.1 Gen 1, it is not a Thunderbolt. To setup dual monitor, a USB-C to a HDMI, or DisplayPort, adapter needs to used.
A:AnswerIt comes with an M.2 SATA 3 SSD. However, there is also an open space inside the case to accommodate a 2.5" SATA SSD/HDD: You'll need to get a SATA Ribbon cable, the connector is right there available on the motherboard, and an drive caddie as well.