Hardware Spec Index

Zephyra FN-3681 Max 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3681-MAX · Released 2020 · Updated 2026-10-18

Key facts

Benchmark index579 (Case Fans scale)
Category rank#15,583
Street price$19
Power3 W
Performance per dollar30.47
Released2020

Specifications

BrandZephyra
ModelZephyra FN-3681 Max
Size120 × 120 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3681 Max 120mm PWM Case Fan”, https://vextor7.com/item/4493751 (accessed 2026-10-18).