* UASP supported only for Raspberry Pi CM4, does not support TRIM
* Support software safe shutdown & auto power on & RTC function
* With 12mm aluminum alloy heatsink [[C235]] for CM4 passive cooling of CM4
* On-board blue light button switch to control power ON/OFF
* Press button switch to turn on, hold for 1~2 seconds to reboot, hold for 3 seconds to safe shutdown, hold for more than 8 seconds to force shutdown