Hardware Spec Index

Zephyra FN-3989 Ti 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3989-TI · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index641 (Case Fans scale)
Category rank#38,323
Street price$19
Power4 W
Performance per dollar33.74
Released2020

Specifications

BrandZephyra
ModelZephyra FN-3989 Ti
Size120 × 120 × 25 mm
Speed500–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3989 Ti 120mm PWM Case Fan”, https://vextor7.com/item/7737191 (accessed 2026-10-22).