Hardware Spec Index

Zephyra FN-3666 Prime 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3666-PRIME · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index786 (Case Fans scale)
Category rank#47,265
Street price$29
Power3 W
Performance per dollar27.10
Released2026

Specifications

BrandZephyra
ModelZephyra FN-3666 Prime
Size120 × 120 × 25 mm
Speed500–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise33 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3666 Prime 120mm PWM Case Fan”, https://vextor7.com/item/94816273 (accessed 2026-10-25).