Hardware Spec Index

Zephyra FN-3661 Prime 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3661-PRIME · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index590 (Case Fans scale)
Category rank#5,532
Street price$19
Power3 W
Performance per dollar31.05
Released2019

Specifications

BrandZephyra
ModelZephyra FN-3661 Prime
Size120 × 120 × 25 mm
Speed200–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3661 Prime 120mm PWM Case Fan”, https://vextor7.com/item/591283 (accessed 2026-10-23).