The technical descriptions of electronic devices (TVs, monitors) can meet the designation HDMI 2.0 (2ea) ports, HDMI 2.0 (3ea), HDMI 2.0 (4ea). It refers to the number of ports (ea) which indicates the number of ports.
This designation applies to both ports located on one side of the device, such as the TV or the rear side. For example, you can designate the number of ports on the side HDMI 2.0 2ea, rear HDMI 2.0 2ea. This means that the side of the TV is located 2HDMI port and 2 HDMI ports behind.
Also, such a symbol is used if the ports are grouped together