Hardware Spec Index

Zephyra FN-1691 Pro 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN1691-PRO · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index469 (Case Fans scale)
Category rank#40,250
Street price$19
Power3 W
Performance per dollar24.68
Released2020

Specifications

BrandZephyra
ModelZephyra FN-1691 Pro
Size120 × 120 × 25 mm
Speed200–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-1691 Pro 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/877782 (accessed 2026-10-19).