Hardware Spec Index

Zephyra FN-1491 Ultra 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN1491-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index516 (Case Fans scale)
Category rank#24,539
Street price$19
Power4 W
Performance per dollar27.16
Released2021

Specifications

BrandZephyra
ModelZephyra FN-1491 Ultra
Size140 × 140 × 25 mm
Speed400–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise32 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-1491 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/2863567 (accessed 2026-10-21).