Noctua NH D9 DX 4677 4U, Premium CPU Cooler for Intel Xeon LGA4677 (Brown)

Compact 92mm size (125mm 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 both E1 (LGA4677-1) and E2 (LGA4710-2) socket Intel Xeon 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