Hardware Spec Index

Zephyra FN-4291 Prime 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN4291-PRIME · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index264 (Case Fans scale)
Category rank#41,071
Street price$9
Power4 W
Performance per dollar29.33
Released2022

Specifications

BrandZephyra
ModelZephyra FN-4291 Prime
Size120 × 120 × 25 mm
Speed500–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4291 Prime 120mm PWM Case Fan”, https://vextor7.com/item/2917128 (accessed 2026-10-21).