crwdns2933423:0crwdne2933423:0

crwdns2933803:012crwdne2933803:0

crwdns2933797:0Brittany McCriglercrwdnd2933797:0crwdne2933797:0

crwdns2936047:0crwdne2936047:0

crwdns2933769:0crwdne2933769:0
crwdns2933771:0crwdne2933771:0
crwdns2933801:0crwdne2933801:0

crwdns2933807:0crwdne2933807:0

[* black] Finally we get to the creme de la creme, the fan with asymmetric blade spacing.
+[* black] Theoretically, the asymmetry spreads the noise produced over multiple frequencies, making it less noticeable.