Hardware Spec Index

Zephyra FN-3924 Prime 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN3924-PRIME · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index811 (Case Fans scale)
Category rank#36,140
Street price$19
Power3 W
Performance per dollar42.68
Released2021

Specifications

BrandZephyra
ModelZephyra FN-3924 Prime
Size140 × 140 × 25 mm
Speed200–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3924 Prime 140mm PWM Case Fan”, https://vextor7.com/item/51679491 (accessed 2026-10-20).