But, despite this, the Mac mini lacks SD and TF card readers, which I need for shuttling files back and forth between the Mac mini and my Mac SE/30. With four Thunderbolt 3 / USB-C ports, an HDMI port, an audio jack and two USB-3 ports – there’s plenty of flexibility for the average user. One of the best features of the 2018 / 2020 Mac mini is the number of available ports. Review: AGPTEK Docking Station for Mac mini