Hardware Spec Index

Zephyra FN-3745 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN3745-ULTRA · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index713 (Case Fans scale)
Category rank#21,858
Street price$19
Power4 W
Performance per dollar37.53
Released2019

Specifications

BrandZephyra
ModelZephyra FN-3745 Ultra
Size140 × 140 × 25 mm
Speed300–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3745 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/6796072 (accessed 2026-10-24).