Hardware Spec Index

Zephyra FN-1661 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN1661-ULTRA · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index337 (Case Fans scale)
Category rank#18,774
Street price$9
Power4 W
Performance per dollar37.44
Released2020

Specifications

BrandZephyra
ModelZephyra FN-1661 Ultra
Size140 × 140 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-1661 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/8069433 (accessed 2026-10-20).