Hardware Spec Index

Zephyra FN-8391 Prime 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN8391-PRIME · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index616 (Case Fans scale)
Category rank#49,152
Street price$19
Power3 W
Performance per dollar32.42
Released2019

Specifications

BrandZephyra
ModelZephyra FN-8391 Prime
Size120 × 120 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-8391 Prime 120mm PWM Case Fan”, https://vextor7.com/item/6352136 (accessed 2026-10-19).