Hardware Spec Index

Zephyra FN-1663 Ultra 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN1663-ULTRA · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index551 (Case Fans scale)
Category rank#635
Street price$19
Power3 W
Performance per dollar29.00
Released2019

Specifications

BrandZephyra
ModelZephyra FN-1663 Ultra
Size140 × 140 × 25 mm
Speed200–2,000 RPM (PWM)
Airflow96.0 CFM
Static pressure1.90 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-1663 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/91554582 (accessed 2026-10-19).