Hardware Spec Index

Zephyra FN-3739 Prime 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN3739-PRIME · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index334 (Case Fans scale)
Category rank#18,834
Street price$9
Power3 W
Performance per dollar37.11
Released2023

Specifications

BrandZephyra
ModelZephyra FN-3739 Prime
Size140 × 140 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise32 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3739 Prime 140mm PWM Case Fan”, https://vextor7.com/item/3733887 (accessed 2026-10-24).