This product is either discontinued or we cannot get that from suppliers.
Noctua D15S Multi-Socket PWM CPU Cooler, Quiet PC, Cooling Enthusiasts & Overclockers, Copper (Base & heatpipes), Aluminium (Fins), Intel LGA2011-0 & LGA2011-3 (Square ILM), LGA1156, LGA1155, LGA1151, LGA1150, LGA1200 & AMD AM2, AM2+, AM3, AM3+, FM1, FM2, FM2+ (backplate required), 1x 140mm Noctua NF-A15 PWM.
Tailored to provide superior RAM and PCIe compatibility, the NH-D15S is an asymmetrical single fan version of Noctua’s award-winning flagship model, the NH-D15. Thanks to its asymmetrical design.