Hardware Spec Index

Zephyra FN-3866 Prime 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3866-PRIME · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index516 (Case Fans scale)
Category rank#14,627
Street price$19
Power4 W
Performance per dollar27.16
Released2022

Specifications

BrandZephyra
ModelZephyra FN-3866 Prime
Size120 × 120 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3866 Prime 120mm PWM Case Fan”, https://vextor7.com/item/91677965 (accessed 2026-10-19).