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
Noctua NH-D15S – Fan & Heatsinks – Cooling System
Noctua NH-D15 chromax.black, Dual-Tower CPU cooler (140mm, Black) CPU Fans & Heatsinks - Newegg.com
What's the difference between NH-D15 and NH-D15S? : Noctua Knowledge Centre
Noctua NH-D15 Dual-Tower CPU Cooler Review - Page 3 Of 5 - Modders Inc
Noctua NH-D15 CPU Dual Tower Cooler – Coolerguys
Noctua NH-D15 chromax.black Review | Linuxlookup
NH-D15 || Specifications
Noctua NH-D15S CPU Cooler Review - Funky Kit
Noctua NH-D15S versus NH-D15 CPU Cooler Review - Legit Reviews
Noctua DH-15 cooler and RAM compatibility - YouTube