How to pick a PC that supports multiple monitors out of the box
Amazon.com: StarTech.com 3-Port Multi Monitor Adapter - DisplayPort 1.2 MST Hub - Dual 4K 30Hz & 1x 1080p - Video Splitter for Extended Desktop Mode on Windows PCs Only - DP to
Amazon.com: StarTech.com 3-Port Multi Monitor Adapter - DisplayPort 1.4 to 3x 4K DisplayPort Video Splitter - Dual or Triple 4K - DisplayPort MST Hub for Multiple Monitors - For Windows PCs Only (