Hardware Spec Index

Zephyra FN-3924 Pro 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3924-PRO · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index783 (Case Fans scale)
Category rank#10,641
Street price$29
Power2 W
Performance per dollar27.00
Released2021

Specifications

BrandZephyra
ModelZephyra FN-3924 Pro
Size120 × 120 × 25 mm
Speed300–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3924 Pro 120mm PWM Case Fan”, https://vextor7.com/item/85535758 (accessed 2026-10-21).