Hardware Spec Index

Zephyra FN-1745 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN1745-ULTRA · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index793 (Case Fans scale)
Category rank#36,913
Street price$29
Power4 W
Performance per dollar27.34
Released2019

Specifications

BrandZephyra
ModelZephyra FN-1745 Ultra
Size140 × 140 × 25 mm
Speed200–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise32 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-1745 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/32397564 (accessed 2026-10-26).