Hardware Spec Index

Zephyra FN-9931 SE 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN9931-SE · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index320 (Case Fans scale)
Category rank#38,059
Street price$9
Power4 W
Performance per dollar35.56
Released2023

Specifications

BrandZephyra
ModelZephyra FN-9931 SE
Size120 × 120 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise24 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-9931 SE 120mm PWM Case Fan”, https://vextor7.com/item/2811478 (accessed 2026-10-19).