Working on a hardware problem and I had to find the ohms (Ω) for the various Noctua Fan Resistors.  Found everything I needed but didn’t see a single source for them all so thought it might help others if I compiled it all into one place:

• Classic Black LNA 50Ω (source)
• Classic Blue ULNA 81Ω (source)
• NA-RC6 81.4Ω (source)
• NA-RC7 50Ω (source)
• NA-RC8 150Ω (source is an email reply to me from Noctua: “the NA-RC8 is a 150 Ohms ressistor”)
• NA-RC9 100Ω (source)
• NA-RC10 51Ω (source)
• NA-RC11 98Ω (source)
• NA-RC12 147.5Ω (source)