Hardware Spec Index

Zephyra FN-3771 Prime 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3771-PRIME · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index285 (Case Fans scale)
Category rank#2,247
Street price$9
Power3 W
Performance per dollar31.67
Released2019

Specifications

BrandZephyra
ModelZephyra FN-3771 Prime
Size120 × 120 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3771 Prime 120mm PWM Case Fan”, https://vextor7.com/item/76014064 (accessed 2026-10-23).