Unverified50% confidenceFactExact time
一个标准120mm PC风扇最大风量约为50-70 CFM，140mm型号通常不超过100 CFM，而20英寸箱式风扇高档位下可达1000-2000 CFM
1
Sources
50%
Confidence
Long-term
Relevance
8/21/2026
First Seen
Sources
Cite This Claim
Stable URI
https://kongchang.com/claim/784073API
curl https://kongchang.com/api/v1/knowledge/claims/784073MCP
get_claim(id=784073)