The EPC-R3710NO-XAA120 model is similar to the EPC-R3710NO-XAA100 but offers more I/O options. In addition to the HDMI, two USB 2.0 ports, two Gigabit Ethernet ports, and Mini-PCIe slot, it also includes two RS-232 serial ports, a DIO port, and an additional Gigabit Ethernet port. This extended connectivity makes the EPC-R3710NO-XAA120 ideal for more complex industrial applications that require additional connectivity options. It is perfect for environments where multiple devices need to be connected and managed simultaneously.