Home » Fans » 40mm - 60mm Fans 40mm x 10mm Scythe "Mini-Kaze" Case/Chipset Fan (4.11 CFM, 14 dBA) $4.45 40mm x 20mm Scythe "Mini-Kaze Ultra" Case/Chipset Fan (4.86 CFM, 19.56 dBA) $4.45 60mm x 25mm Vantec Stealth Case Fan (12 CFM/20 dBA) $6.99