Noctua Also Announced 15 mm Thick 80 mm, 70 mm, and 50 mm Fans | TechPowerUp
Noctua NF-A20 5V 800RPM 200 x 30mm Extra Large 200mm Quiet 3 Pin Fan 9010018100068 | eBay
Noctua Nf-a15 Pwm Computer Case Cooling Fan 150mm 12v/4pin Low Noise High Quality Cpu Cooler Fan 140x150x25mm Radiator Fans - Fans & Cooling - AliExpress
Noctua at Computex Taipei 2019
NF-A20 PWM chromax.black.swap 12V 800RPM 200mm Premium Quality Fan
Noctua Nf-a15 Pwm Computer Case Cooling Fan 150mm 12v/4pin Low Noise High Quality Cpu Cooler Fan 140x150x25mm Radiator Fans - Fans & Cooling - AliExpress