Hardware Spec Index

Zephyra FN-9531 Ultra 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN9531-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index338 (Case Fans scale)
Category rank#43,586
Street price$9
Power4 W
Performance per dollar37.56
Released2021

Specifications

BrandZephyra
ModelZephyra FN-9531 Ultra
Size140 × 140 × 25 mm
Speed200–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise29 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-9531 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/3722657 (accessed 2026-10-21).