What's the difference between NH-D15 and NH-D15S? : Noctua Knowledge Centre
Amazon.com: Noctua NH-D15, Premium CPU Cooler with 2X NF-A15 PWM 140mm Fans (Brown) : Electronics
Can Noctua NH-D15S at stock speed keep Intel I7 8700k cool enough | TechPowerUp Forums
What's the difference between NH-D15 and NH-D15S? : Noctua Knowledge Centre
Oddly-Specific PSA: G.Skill's Trident Z memory fits under a Noctua NH-D14 just fine, even though it is not listed for compatibility due to it's 44mm height : r/pcmasterrace