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According to Limin's description, this fan uses FDB bearings, but station B has a UP master who disassembled it. He thinks it is an improved version of the ordinary hydraulic fan, plus [Detailed]
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ZOL certification benefit the people
First level certification
Same price, same brand, same cooling method
99% favorable rating
Same brand
Praise rate 98%
Praise rate 97%
Same brand, same cooling method