I recently helped someone set up a dell optiplex 7090 small form factor PC. Much to my surprise it came with a proper serial port. https://www.dell.com/en-us/w

I recently helped someone set up a dell optiplex 7090 small form factor PC. Much to my surprise it came with a proper serial port. https://www.dell.com/en-us/work/shop/desktops-all-in-one-pcs/optiplex-7090-tower-and-small-form-factor/spd/optiplex-7090-desktop https://www.dell.com/en-us/work/shop/desktops-all-in-one-pcs...