Hardware Spec Index

Zephyra FN-3811 Prime 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3811-PRIME · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index332 (Case Fans scale)
Category rank#22,845
Street price$9
Power3 W
Performance per dollar36.89
Released2020

Specifications

BrandZephyra
ModelZephyra FN-3811 Prime
Size120 × 120 × 25 mm
Speed200–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise33 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”, https://vextor7.com/item/7114254 (accessed 2026-10-25).