Hardware Spec Index

Zephyra FN-3902 Ultra 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3902-ULTRA · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index304 (Case Fans scale)
Category rank#29,621
Street price$9
Power3 W
Performance per dollar33.78
Released2023

Specifications

BrandZephyra
ModelZephyra FN-3902 Ultra
Size120 × 120 × 25 mm
Speed200–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3902 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/19635686 (accessed 2026-10-19).