If you ask us personally, then the ultimate choice, that we would recommend you is saicoo DOD Military USB Common Access CAC Smart Card Reader, Compatible with Mac Os, Win (Horizontal Version). We have presented a variety of options, so that there’s something out there for everyone. We spent hours scouring the internet for the best cac card reader for mac, reading reviews and pulling from our own personal experiences to bring you our list of the top ten available on the market right now.