Exteral Size: 40x40x10mm / 1.57x1.57x0.39 inches (L x W x H) | Bottom Thickness: 3mm / Copper Fin Thickness: 0.5mm | Material: Pure Copper / Processing Method:Skiving fin / Finishing:Antioxidant treatment / Weight: 65g ± 10g | Used for Electronic,CHIP,IC,MOS computer 's component heat dissipation, or anywhere you need a efficient heatsink. | This Heatsink is made of pure copper, and the thermal conductivity up to 401W/(m·K) ,is high quality and effective heatsink.
Exteral Size: 80x80x20mm / 3.15x3.15x0.79 inches (L x W x H) | Bottom Thickness: 3.5mm / Copper Fin Thickness: 0.5mm | Material: Pure Copper / Processing Method:Skiving fin / Finishing:Antioxidant treatment / Weight: 420g ± 30g | Used for Electronic,LED,CHIP computer 's component heat dissipation, or anywhere you need a efficient heatsink. | This Heatsink is made of pure copper, and the thermal conductivity up to 401W/(m·K) ,is high quality and effective heatsink.