Hardware Spec Index

Zephyra FN-1690 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN1690-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index347 (Case Fans scale)
Category rank#33,925
Street price$9
Power4 W
Performance per dollar38.56
Released2021

Specifications

BrandZephyra
ModelZephyra FN-1690 Ultra
Size120 × 120 × 25 mm
Speed200–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-1690 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/53667666 (accessed 2026-10-21).