Hardware Spec Index

Zephyra FN-3974 Plus 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3974-PLUS · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index707 (Case Fans scale)
Category rank#49,901
Street price$19
Power4 W
Performance per dollar37.21
Released2019

Specifications

BrandZephyra
ModelZephyra FN-3974 Plus
Size120 × 120 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3974 Plus 120mm PWM Case Fan”, https://vextor7.com/item/91584868 (accessed 2026-10-23).