Product details
Recommend for Intel® Xeon™ 5500 Series Nehalem EP Processor Model# W5580, X5570, X5560, X5550, E5540, E5530, E5520, E5506, E5504, E5502, L5520, L5506, Socket LGA1356/1366, Copper Base with Aluminum Stacked Fin plus 3 Heat Pipes, Support 130 Watts CPU Power Heat Dissipation for 2U Server & Up.