Hardware Spec Index

Zephyra FN-9639 Pro 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN9639-PRO · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index705 (Case Fans scale)
Category rank#35,379
Street price$19
Power4 W
Performance per dollar37.11
Released2019

Specifications

BrandZephyra
ModelZephyra FN-9639 Pro
Size120 × 120 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-9639 Pro 120mm PWM Case Fan”, https://vextor7.com/item/7990264 (accessed 2026-10-26).