Specification Brand : GMBYLBY BulletPoint1 : Hole Center Spacing:Approx.5.5cm/2.17in BulletPoint2 : Speed:4300RPM±10%; BulletPoint3 : pure aluminum fins with good heat dissipation. BulletPoint4 : speed fan configuration, 12V safe voltage with security standards safety fan. BulletPoint5 : Replacement and Color : silver ExternallyAssignedProductIdentifier : 7629471014014 ItemName : GMBYLBY 12V Graphics Heatsink Cooling Fan Radiator for IC Computer Thermal 2.0Plug Computer Graphics Radiator Heatsink CPU ItemTypeKeyword : desktop-computer-heatsinks Manufacturer : GMBYLBY PartNumber : GMBYLBY ProductDescription : 12V Graphics Heatsink Cooling Fan Radiator for IC computer Thermal 2.0Plug Computer Graphics Radiator heatsink cpu Features: pure aluminum fins with good heat dissipation. Computer CPU Graphics Card Chip Radiator Small Splace Cooling Radiator speed fan configuration, 12V safe voltage with security standards safety fan. Replacement and Speed:4300RPM±10 Hole Center Spacing:Approx.5.5cm/2.17in