Anodized Black Aluminum heatsink for Computer General northbridge, Southbridge Cooling, also can be used for cooling graphics card, vidoe card, motherboard, power transistor, FET, IC, power amplifier, Voltage Regulator, etc. The fins increase the area of the board and thus provide for greater heat transfer. Use heatsink adhesive glue to install heatsink on the IC. Glue is not included here. Size is 28mm x 28mm x 20mm low profile, Please check the specification table and make sure that the size of the heatsink fits that of your component.