ITEM NAME:1X(New 100mmx100mmx3mm Gpu Cpu Heatsink Cooling Conductive Silicone ThermalX5W3) 1X(New 100mmx100mmx3mm Gpu Cpu Heatsink Cooling Conductive Silicone ThermalX5W3) 1X(Feature: Thermal Conductivity: 1.2W~2.0W Temp. : -40℃~220℃ Voltage Proof: Greater than 4KV Hardness: 13℃ ~ 50℃