Released as the successor of the classic NH-D14 air cooler, the Noctua NH-D15 features 6 heatpipes and two NF-A15 140 mm fans with PWM support, also including high-end NT-H1 thermal paste. With a noise level of only 19.2 dB, this premium cooler is now 30% off, down to US$99.95 from a US$142.18 list price.https://www.notebookcheck.net/Noctua-NH-D15-premium-CPU-cooler-30-off-on-Amazon.676540.0.html
NH D15 brown fans has been $99 and chromax black selling $109 the whole time. This item is not on sale. I've been watching the price for 2 months not a dollar decrease