Product Detail Silent Operation / Light weight design / Going Green / Lead-free Production Fan bracket design for mounting two 120mm fans (not included) Flexible bracket design provides interference-free installation in major chassis Copper base with 6 heat pipes design creates superior cooling performance / Aluminum Fins Excellent performance for Over-clock/ PC-enthusiasts (With optional dual 120mm fans installed) . The "Cooler Master RR-CCH-ANU2-GP Gemin II Dual 120mm Fans CPU & Motherboard Cooler" is best product for you. We recommended Cooler Master RR-CCH-ANU2-GP Gemin II Dual 120mm Fans CPU & Motherboard Cooler