The Best 40mm Case Fan of 2021

119,902 reviews analysed

Rank		Product Name	Score
		Noctua NF-A4x10 FLX, Premium Quiet Fan, 3-Pin (40x10mm, Brown) By NOCTUA	9.3 SCORE	View Product
2^nd		Noctua NF-A4x20 PWM, Premium Quiet Fan, 4-Pin (40x20mm, Brown) By Noctua	9.1 SCORE	View Product
3^rd		Scythe Mini Kaze 40mm Silent Case Fan (SY124010L) By SCYTHE	8.9 SCORE	View Product
4^th		Noctua NF-A4x10 PWM, Premium Quiet Fan, 4-Pin (40x10mm, Brown) By NOCTUA	8.7 SCORE	View Product
5^th		4 PCS 3D Printer Cooling Fan, 40mm x 40mm x 10mm Oil Bearing Cooling Fan with 2 Pin Terminal for Hot By UMLIFE	8.5 SCORE	View Product
6^th		MakerFocus 4pcs 3D Printer Fan 12V 0.08A DC Mini Quiet Cooling Fan 40X40X10mm with 28cm Cable for 3D By MakerFocus	8.3 SCORE	View Product
7^th		Noctua NF-A4x20 5V PWM, Premium Quiet Fan, 4-Pin, 5V Version (40x20mm, Brown) By NOCTUA	8.1 SCORE	View Product
8^th		25% OFF ANVISION 2-Pack 40mm x 10mm DC 12V Brushless Cooling Fan, Dual Ball Bearing, YDM4010B12 By ANVISION	7.9 SCORE	View Product
9^th		Wathai 40mm x 40mm x 20mm 5V 2Pin DC Case Fan Brushless Cooling Fan By Wathai	7.7 SCORE	View Product
10^th		Noiseblocker NB-BlackSilentFan XM2 40x40x10mm Silent Fan, 3800RPM, 14 dBa By Noiseblocker	7.5 SCORE	View Product

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