Hardware Spec Index

Zephyra FN-3742 Pro 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN3742-PRO · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index378 (Case Fans scale)
Category rank#22,588
Street price$9
Power4 W
Performance per dollar42.00
Released2021

Specifications

BrandZephyra
ModelZephyra FN-3742 Pro
Size140 × 140 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3742 Pro 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/32941867 (accessed 2026-10-20).