StarTech.com 60x20mm Replacement Ball Bearing Computer Case Fan w/ TX3 Connector - 3 pin case Fan - TX3 Fan - 60mm Fan A dual ball bearing design ensures reliability and longer life Comes ready for either 3-pin motherboard fan headers or LP4 Molex power supplies Backed by a StarTech.com 2-year warranty and free lifetime technical support Dual ball bearing design 3-pin connector with tachometer wire A dual ball bearing design ensures reliability and longer life Comes ready for either 3-pin motherboard fan headers or LP4 Molex power supplies Backed by a StarTech.com 2-year warranty and free lifetime technical support Dual ball bearing design 3-pin connector with tachometer wire Includes a 3-pin to 4-pin LP4 Molex adapter