Noctua NH-D9 DX-4677 - Two 92mm

Compact 92mm size (134mm height) for excellent PCIe compatibility and 4U support, high cooling performance thanks to 4 heatpipes, dual tower design and two NF-A9 premium fans, ideal for quiet 4U servers Supports LGA4677 socket for 4th generation Intel Xeon Scalable (Platinum, Gold, Silver or Bronze) and w9, w7, w5 or w3 series processors CPU carrier frame required (included with boxed retail CPUs and available separately for tray CPUs) Two award-winning NF-A9 fans (push/pull dual fan configuration), supporting 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 with included Torx T30 mounting tool