Hardware Spec Index

Zephyra FN-3988 Pro 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN3988-PRO · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index255 (Case Fans scale)
Category rank#36,050
Street price$9
Power4 W
Performance per dollar28.33
Released2025

Specifications

BrandZephyra
ModelZephyra FN-3988 Pro
Size120 × 120 × 25 mm
Speed500–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise24 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3988 Pro 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/5960662 (accessed 2026-10-23).