Hardware Spec Index

Zephyra FN-9531 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN9531-ULTRA · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index455 (Case Fans scale)
Category rank#2,947
Street price$19
Power4 W
Performance per dollar23.95
Released2024

Specifications

BrandZephyra
ModelZephyra FN-9531 Ultra
Size140 × 140 × 25 mm
Speed300–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-9531 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/1667074 (accessed 2026-10-20).