StarTech.com 60x25mm High Air Flow Dual Ball Bearing Computer Case Fan w/ TX3 - 3 pin case Fan - TX3 Fan - 60mm Fan A dual ball bearing design ensures reliability and longer life A built-in tachometer allows for easy monitoring of the fan performance Higher performance fan with Increased air flow for warmer environments or higher performance components Dual ball bearing design 3-pin connector with tachometer wire Higher speed 5000 RPM operation