Hardware Spec Index

Zephyra FN-9939 Pro 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN9939-PRO · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index841 (Case Fans scale)
Category rank#36,884
Street price$29
Power4 W
Performance per dollar29.00
Released2026

Specifications

BrandZephyra
ModelZephyra FN-9939 Pro
Size120 × 120 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-9939 Pro 120mm PWM Case Fan”, https://vextor7.com/item/4046554 (accessed 2026-10-19).