Award-winning NH-U9 series: more than 300 awards and recommendations from international hardware websites and magazines 92mm size for best case and PCIe compatibility (4U compliant) Tailored custom version for AMD’s sTRX4/TR4/SP3 platform (Ryzen Threadripper / Epyc) Two quiet, premium-grade NF-A9 92mm fans with PWM for automatic speed control Renowned Noctua quality, deluxe choice for TR4 & sTRX4 AMD Ryzen Threadripper CPUs (e.g. 3990X, 2950X, 2920X, Epyc 7003/7002/7001 series)
