Noctua NH-U14S DX-3647, Premium CPU Cooler for Intel Xeon LGA3647 (140mm, Brown)

6 heatpipes, 140mm size and premium grade 140mm fan for superb quiet cooling efficiency, ideal for near inaudible workstations in noise sensitive applications (audio/video production, engineering, etc.) Supports narrow and square type LGA3647 sockets for Intel Xeon Scalable (Platinum, Gold, Silver or Bronze, Skylake-SP/Purley) and Xeon-Phi platforms (Knight's Landing, Knight's Mill) Award-winning NF-A15 fan supports PWM for automatic speed control through the motherboard: silent at idle, full CFM performance when necessary Pre-applied NT-H1 thermal compound and easy, straightforward installation thanks to Secu Firm2 mounting system and included processor clips Trusted Noctua quality backed up by 6-year manufacturer's warranty