Bought Noctua NH-U12A expecting it to have good ram clearance but instead ran into a problem :'(. Had to populate 3rd and 4th DIMMS. I'm using gigabyte x570 aorus elite motherboard :
Noctua NH-D15 - CPU Cooler Review
The Noctua NH-D15 - Top Tier CPU Air Coolers Q3 2015: 9-Way Roundup Review
Noctua Premium CPU Cooler with NF-A9 92mm Fan, Brown - Newegg.com
What's the difference between NH-D15 and NH-D15S? : Noctua Knowledge Centre
NH-D14 | Cooler Compatibility | Noctua Compatibility Centre
Noctua go all black for Computex 2018 | Packing NH-D15 performance into a single tower 120mm cooler | Cases & Cooling | OC3D Review
Noctua NH-U12A CPU Air Cooler Review - EnosTech.com
Noctua DH-15 cooler and RAM compatibility - YouTube
Noctua NH-D15S – Fan & Heatsinks – Cooling System
Noctua NH-D15 Ram Height | Tom's Hardware Forum
Noctua NH-U12A CPU Air Cooler Review - EnosTech.com
Noctua NH-U9S, Premium CPU Cooler with NF-A9 92mm Fan (Brown) | eBay
NH-D15 ram clearance on itx boards : r/Noctua
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-U12A CPU Cooler Review - Best CPU Air Cooler? - ThePCEnthusiast
How to Precisely Calculate Clearance/Eligibility of RAM for Noctua NH-D15 : r/bapccanada
Noctua NH-U12A chromax.black and Chromax Covers Review - EnosTech.com