About Jetson NX, defaut FAN

We find zhe NX module,with defulat fan,
1、we want to know Fan type and life。
2、we want the datasheet about the fan。

It is custom DC PWM brushless fan, no vendor part number. Expected life time is 50000 hrs @ 40C room. You can check with any vendor for similar one.

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one more question :about the relatione between pwm contro and fan。
TX2 describe is :51 ℃ —PWM 80;61----PWM 120;71—PWM 160;82—PWM255.

1、we want to kown the NX module is what。
2、the value of PWM can be changed ?
according command line. if can,please provide the document。

Please check the TX2/Xavier NX thermal design guide in DLC.