Be Quiet! Shadow Wings 2 140mm or Silent Wings 4 140mm ?

[Krit]

Hi,

Are those fans any good at low to mid rpms? 400-800rpm range..... Is it worth to save and get these over more expensive silent wings 4 140mm ?

Arctic P14 is complete crap when going above 700rpms and Arctic P14 Max is complete crap below 800rpms so both are terrible fans if you want a really quiet system at low rpms.

Be Quiet! Pure Wings also is noisy (motor noise) are Shadow Wings 2 using the same motor as Pure Wings ?

Need a good silent 140mm fans for case intake.

For example Arctic P12 is lightyears better than P14, P12 max and P14 max when it comes to silence in 400-1000rpm range.

 

[Solaris17]

I can speak to the 120 and 140 sound profile and performance great, but iv unfortunately never ran them that low. The lowest my board would spin them is around 1100.

 

[evernessince]

Hi,

Are those fans any good at low to mid rpms? 400-800rpm range..... Is it worth to save and get these over more expensive silent wings 4 140mm ?

Arctic P14 is complete crap when going above 700rpms and Arctic P14 Max is complete crap below 800rpms so both are terrible fans if you want a really quiet system at low rpms.

Be Quiet! Pure Wings also is noisy (motor noise) are Shadow Wings 2 using the same motor as Pure Wings ?

Need a good silent 140mm fans for case intake.

For example Arctic P12 is lightyears better than P14, P12 max and P14 max when it comes to silence in 400-1000rpm range.

Good 140mm fans are a lot harder to come by than good 120mm. The best resource is HWB: https://hwbusters.com/best_picks/best-case-heatsink-radiator-fan-picks-hardware-busters/

That said, they don't do a full frequency analysis. GN did for the few fan reviews it has but it's an insufficient amount.

 

[Krit]

That said, they don't do a full frequency analysis.

That's the main reason why i was starting this topic. There may be the best airflow or static pressure but if it has noisy motor or bad hum at certain rpms in low to mid range than that fan for me personally is useless.

 

[Chomiq]

I'm using Silent Wings 4 140 High Speed in my 207. I run them at 29% when not playing anything (ramps based on GPU temps) and 50% when loaded above 65C on the GPU. They're super quiet. I even have audio samples for stock fan vs them with mic directly in front of the grill.
Wait, you already had another thread about your 207 and I already gave you audio samples there:

Post in thread 'Lian Li - LANCOOL 207 few questions'

Jun 23, 2025

How fast are your silent wings 4 120/140mm fans running under load ? Bios settings.......

The sweet spot for P12 is ~ 950rpm, P14 ~ 700rpm but still i'm not impressed by P14 noise output even under 700rpm it's way worse than P12.

This is literally dead quiet in idle.

50% is totally doable without headphones in a quiet room.

Attached is recording from Sennheiser profile mic located directly in front of the grill, almost touching it. It goes from 30% to 99% in 5% increment and then holds at 99 to finally decrease by 10% steps until 30%...

• Chomiq

• 

Regular ones have max RPM reduced. Internal should be the same.