Really, Mr. Orlowski
A quick trip to Apple's Website would tell you that the current (2017 vintage) iMac models offer a headphone jack, 4 x USB-3 ports, 2 x USB-C ports, and a Gbit Ethernet RJ-45 port — and an SDXC card slot. Admittedly, no HDMI port, but with an inbuilt Retina display that's better than anything standalone display of the same size you can find....