Hardware Spec Index

Zephyra FN-4389 Pro 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN4389-PRO · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index246 (Case Fans scale)
Category rank#10,019
Street price$9
Power3 W
Performance per dollar27.33
Released2024

Specifications

BrandZephyra
ModelZephyra FN-4389 Pro
Size120 × 120 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4389 Pro 120mm PWM Case Fan”, https://vextor7.com/item/84557064 (accessed 2026-10-25).