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be quiet! Pure Wings 3 140mm PWM vs SilverStone FN121: Comparison

be quiet! Pure Wings 3 140mm PWM vs SilverStone FN121: the airflow difference

There is no decisive spec gap here. Airflow splits them by a margin most buyers will never feel, be quiet! Pure Wings 3 140mm PWM 57.4 CFM against SilverStone FN121 58.47 CFM. They differ on fan size too, 140 mm on the be quiet! Pure Wings 3 140mm PWM versus 120 mm on the SilverStone FN121. Bearing type is not the same on both, Rifle on the be quiet! Pure Wings 3 140mm PWM versus Sleeve on the SilverStone FN121. There is a split on connector type as well, 4-Pin PWM on the be quiet! Pure Wings 3 140mm PWM versus 3-Pin DC on the SilverStone FN121. Pwm control is not the same on both, Yes on the be quiet! Pure Wings 3 140mm PWM versus No on the SilverStone FN121.

Which should you buy, be quiet! Pure Wings 3 140mm PWM or SilverStone FN121?

Buy the be quiet! Pure Wings 3 140mm PWM for budget builds needing basic 140mm airflow and front or rear case fan replacement, though it is not built for radiator or high-restriction duty and long-term 24/7 workstation use. The SilverStone FN121 suits budget case airflow and Quiet everyday builds, though it is the wrong buy for radiator or heatsink duty and RGB builds. Our rating of the be quiet! Pure Wings 3 140mm PWM (6/10): A perfectly adequate budget 140mm fan, but the rifle bearing means it's not the one to buy for a decade of runtime. Our rating of the SilverStone FN121 (6/10): an unremarkable but reliably quiet budget fan for general case airflow.

What be quiet! Pure Wings 3 140mm PWM and SilverStone FN121 have in common

Where they agree, they agree completely, lighting, max speed and positioning included, so the decision does not turn on any of those.

Specs and benchmarks

  • Fan Size

    be quiet! Pure Wings 3 140mm PWM
    140 mm
    SilverStone FN121
    120 mm
  • Brand

    be quiet! Pure Wings 3 140mm PWM
    be quiet!
    SilverStone FN121
    SilverStone
  • Model

    be quiet! Pure Wings 3 140mm PWM
    Pure Wings 3 140mm PWM
    SilverStone FN121
    FN121-P
  • Bearing Type

    be quiet! Pure Wings 3 140mm PWM
    Rifle
    SilverStone FN121
    Sleeve
  • Lighting

    be quiet! Pure Wings 3 140mm PWM
    No RGB
    SilverStone FN121
    No RGB
  • Max Speed

    be quiet! Pure Wings 3 140mm PWM
    1200 RPM
    SilverStone FN121
    1200 RPM
  • Airflow

    be quiet! Pure Wings 3 140mm PWM
    57.4 CFM-2%
    SilverStone FN121
    58.47 CFMBest
  • PWM Control

    be quiet! Pure Wings 3 140mm PWM
    Yes
    SilverStone FN121
    No
  • Connector Type

    be quiet! Pure Wings 3 140mm PWM
    4-Pin PWM
    SilverStone FN121
    3-Pin DC
  • Positioning

    be quiet! Pure Wings 3 140mm PWM
    Budget
    SilverStone FN121
    Budget

    Which one should you pick?

    Choose be quiet! Pure Wings 3 140mm PWM if you want the higher max speed (1200 RPM vs 1200 RPM).

    Choose SilverStone FN121 if you want the higher airflow (58.47 CFM vs 57.4 CFM).

    Price comparison

    Retailerbe quiet! Pure Wings 3 140mm PWMSilverStone FN121
    AmazonView on Amazon
    SilverStoneView on SilverStone

    Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.

    Verdict

    be quiet! Pure Wings 3 140mm PWM

    6 / 10 Expert Rating

    A perfectly adequate budget 140mm fan, but the rifle bearing means it's not the one to buy for a decade of runtime.

    SilverStone FN121

    6 / 10 Expert Rating

    An unremarkable but reliably quiet budget fan for general case airflow.

    More comparisons in Case Fans