Hardware Spec Index

Zephyra FN-4921 SE 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN4921-SE · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index578 (Case Fans scale)
Category rank#11,684
Street price$19
Power4 W
Performance per dollar30.42
Released2020

Specifications

BrandZephyra
ModelZephyra FN-4921 SE
Size140 × 140 × 25 mm
Speed400–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise36 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4921 SE 140mm PWM Case Fan”, https://vextor7.com/item/2779546 (accessed 2026-10-26).