Hardware Spec Index

Zephyra FN-3908 Ultra 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN3908-ULTRA · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index1,091 (Case Fans scale)
Category rank#39,602
Street price$39
Power3 W
Performance per dollar27.97
Released2023

Specifications

BrandZephyra
ModelZephyra FN-3908 Ultra
Size120 × 120 × 25 mm
Speed500–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3908 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/8312443 (accessed 2026-10-22).