Specification Brand : YXQ BulletPoint1 : 22mmx22mmx10mm Heatsink Made of high quality Aluminum, good thermal conductivity BulletPoint2 : Maximize surface area Designed in contact with the cooling air BulletPoint3 : Oxidation surface treatment BulletPoint4 : Used for IC ,Diode,Dynatron ,Electronic ,LED,RAM,CHIP computer 's component heat dissipation, or anywhere you need a efficient heatsink BulletPoint5 : Note:Make sure of the size of mounting Color : black ExternallyAssignedProductIdentifier : 8995933340991 ExternallyAssignedProductIdentifier1 : 0615150933599 ExternallyAssignedProductIdentifier2 : 615150933599 ItemName : Black 5 Pin Heatsink And Fan For Dell Optiplex 3020 7020 MT X3JDD 89R8J 0X3JDD CN-0X3JDD ItemPackageDimensions_Height : 11.6 centimeters ItemPackageDimensions_Length : 1.1 centimeters ItemPackageDimensions_Width : 6 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : desktop-computer-heatsinks Manufacturer : {{{Dell}}} Material : Aluminium MaximumRotationalSpeed : 5500 rpm ModelNumber : NA MountingType : Panel Mount PartNumber : X3JDD PowerConnectorType : 5-Pin ProductDescription : 22mmx22mmx10mm Heatsink Made of high quality Aluminum, good thermal conductivity