Function of this Aluminum Heat Sink is to cool down the CPU LED and make it operate safely. The aluminum heat sink reduce the risk of hardware failure because of overheating. This Universal Heat Sink is of size 40 x 40 x 20 mm (L x W x H) which can be used for multipurpose application suitable to install with 40×40 or more sized cooling fan over it. Features: Prevents overheating of board Absorbs heat quickly Fast cooling No. of blade: 11 Material: Aluminum Color: Silver Package includes: 1 x Aluminum Heat Sink 40 x 40 x 20mm SKU: PGI-00872065 Category: E-Bike