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9030 is the new chipset actually, 9050 is the older one.
Newest Chipset 9030:
Old Chipset 9050:
Limitations
The 9050 chipset needs an older driver and 5V power. 9030 can be use for 3.3V or 5V and uses the newest Driver. It will not work with the older driver.
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There are also differences in the needed Firmwareversions:
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The 9050 chipset also needs an older driver, which may not be compatible with Windows 10.
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