Hardware Spec Index

Zephyra FN-9521 Pro 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN9521-PRO · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index1,146 (Case Fans scale)
Category rank#44,076
Street price$39
Power4 W
Performance per dollar29.38
Released2020

Specifications

BrandZephyra
ModelZephyra FN-9521 Pro
Size120 × 120 × 25 mm
Speed300–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-9521 Pro 120mm PWM ARGB Case Fan”, https://vextor7.com/item/76526358 (accessed 2026-10-25).