Hardware Spec Index

Zephyra FN-4017 Ultra 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN4017-ULTRA · Released 2020 · Updated 2026-10-18

Key facts

Benchmark index708 (Case Fans scale)
Category rank#970
Street price$19
Power3 W
Performance per dollar37.26
Released2020

Specifications

BrandZephyra
ModelZephyra FN-4017 Ultra
Size140 × 140 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise26 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4017 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/11348178 (accessed 2026-10-18).