Hardware Spec Index

Zephyra FN-4290 Ultra 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN4290-ULTRA · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index569 (Case Fans scale)
Category rank#22,238
Street price$19
Power4 W
Performance per dollar29.95
Released2025

Specifications

BrandZephyra
ModelZephyra FN-4290 Ultra
Size140 × 140 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4290 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/8768335 (accessed 2026-10-26).