Hardware Spec Index

Zephyra FN-3811 Prime 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN3811-PRIME · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index704 (Case Fans scale)
Category rank#23,850
Street price$19
Power3 W
Performance per dollar37.05
Released2022

Specifications

BrandZephyra
ModelZephyra FN-3811 Prime
Size120 × 120 × 25 mm
Speed200–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3811 Prime 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/14142243 (accessed 2026-10-25).