Hardware Spec Index

Zephyra FN-3984 Plus 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN3984-PLUS · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index312 (Case Fans scale)
Category rank#34,355
Street price$9
Power4 W
Performance per dollar34.67
Released2025

Specifications

BrandZephyra
ModelZephyra FN-3984 Plus
Size140 × 140 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3984 Plus 140mm PWM Case Fan”, https://vextor7.com/item/44555755 (accessed 2026-10-23).