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| Component | Purpose | |
| 1 | USB-A | USB 3.0 port that supports 1500mA output |
| 2 | RJ-45 | Gigabit LAN port that supports Wake-On-LAN |
| HDMI Output | HDMI output port supporting CEC | |
| USB-C | USB-C port with USB power delivery (9-20V input) and 2.0 speeds, can be used for upgrading the OS | |
| USB-A | USB 2.0 port that supports 1300mA output | |
| Fan Header | 4-wire fan header utilising pulse width modulation | |
| Reset Button | Force reboot your VIM4 in the event of a system freeze | |
| Function Button | Press this 3 times in 2 seconds to enter MaskROM mode | |
| Power Button | This button turns on your VIM4 | |
| RTC Header | A header for connecting a real-time clock (button) battery | |
| M2 Hole | M2 clearance holes for a case, or adding a heatsink | |
| 40-Pin GPIO | General input/output pins for VIM4’s SoC, or plugging-in a Toneboard | |
| DMIC | Digital Microphone | |
| HDMI Input | Tpye-D HDMI input | |
| LEDs | Indicator LEDs | |
| MCU | STM32G0 micro-controller |