Hardware Spec Index

Zephyra FN-3935 Ultra 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN3935-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index510 (Case Fans scale)
Category rank#29,684
Street price$19
Power4 W
Performance per dollar26.84
Released2021

Specifications

BrandZephyra
ModelZephyra FN-3935 Ultra
Size140 × 140 × 25 mm
Speed300–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3935 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/7653199 (accessed 2026-10-21).