Hardware Spec Index

Zephyra FN-3581 Pro 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN3581-PRO · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index1,065 (Case Fans scale)
Category rank#10,624
Street price$29
Power4 W
Performance per dollar36.72
Released2022

Specifications

BrandZephyra
ModelZephyra FN-3581 Pro
Size120 × 120 × 25 mm
Speed200–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise32 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3581 Pro 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/24377509 (accessed 2026-10-26).