Hardware Spec Index

Zephyra FN-9721 Pro 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN9721-PRO · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index462 (Case Fans scale)
Category rank#3,061
Street price$19
Power2 W
Performance per dollar24.32
Released2021

Specifications

BrandZephyra
ModelZephyra FN-9721 Pro
Size120 × 120 × 25 mm
Speed500–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise32 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-9721 Pro 120mm PWM Case Fan”, https://vextor7.com/item/2830107 (accessed 2026-10-22).