Hardware Spec Index

Zephyra FN-4391 Edge 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN4391-EDGE · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index232 (Case Fans scale)
Category rank#44,167
Street price$9
Power3 W
Performance per dollar25.78
Released2020

Specifications

BrandZephyra
ModelZephyra FN-4391 Edge
Size120 × 120 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise24 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4391 Edge 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3441983 (accessed 2026-10-21).