The ZM-NBF47 does not need electrical power, for it is a fanless Northbridge cooler that operates without noise or vibration. It cools the Northbridge chipset to its optimal temperature in absolute silence.

Dimensions 81(L) x 37(W) x 47(H) mm Weight 57g Heatsink Material Pure Aluminum

Compatible with Northbridge chipsets that have mounting holes or loops on the motherboard.   * The use of ZM-NBF47 with any of the following CPU coolers will provide a more stable and noiseless PC environment : CNPS7000 Series, CNPS7700 Series, CNPS8000 Series, CNPS9500 Series.

- ZM-NBF47 Heastsink - Thermal Grease - Two Bolts - Two Nuts - Two Links - Two Push Pin Assemblies - Two Clips

Zalman affixes a Computer Noise Prevention System (CNPS) mark to all components used for noiseless computers.

Do not use the ZM-NBF47 if there are no mounting holes or loops present around the Northbridge chipset. If the enclosed Push Pins (hole diameter : 3mm) do not fit, then use the Push Pins already installed on the motherboard instead. Do not use the ZM-NBF47 if it interferes with any component of the motherboard. Zalman Tech Co., Ltd. is not responsible for any damages due to external causes, including but not limited to, improper use, problems with electrical power, acciednt, neglect, alteration, repair, improper installation, and improper testing.