Hardware Spec Index

Zephyra FN-3903 Core 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3903-CORE · Released 2021 · Updated 2026-10-18

Key facts

Benchmark index693 (Case Fans scale)
Category rank#9,894
Street price$19
Power3 W
Performance per dollar36.47
Released2021

Specifications

BrandZephyra
ModelZephyra FN-3903 Core
Size120 × 120 × 25 mm
Speed500–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3903 Core 120mm PWM Case Fan”, https://vextor7.com/item/5482008 (accessed 2026-10-18).