Hardware Spec Index

Zephyra FN-3903 Pro 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3903-PRO · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index560 (Case Fans scale)
Category rank#22,160
Street price$19
Power4 W
Performance per dollar29.47
Released2019

Specifications

BrandZephyra
ModelZephyra FN-3903 Pro
Size120 × 120 × 25 mm
Speed300–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3903 Pro 120mm PWM Case Fan”, https://vextor7.com/item/82943209 (accessed 2026-10-21).