The Noctua NH-D9L is a low-profile, dual tower CPU cooler, great for 3U chassis, compact HTPC or other small form-factor cases. The included NF-A9 fan, thanks to its advanced aerodynamic design, provides superior cooling performance. And optional NF-A9 fan can be added for further improved performance in dual fan mode. Moreover, the NF-A9 fan supports automatic speed control via PWM for outstanding quietness of operation.
The compact-sized NH-D9L clears the RAM and PCIe slots on all Intel based and most AMD based ITX mainboards, offering excellent compatibility with RAM and PCIe cards. Complete with the Noctua’s SecuFirm multi-socket mounting system and proven NT-H1 thermal compound, the NH-D9L is a deluxe choice through and through.