Hardware Spec Index

Zephyra FN-3831 Pro 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN3831-PRO · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index1,334 (Case Fans scale)
Category rank#42,337
Street price$39
Power4 W
Performance per dollar34.21
Released2020

Specifications

BrandZephyra
ModelZephyra FN-3831 Pro
Size120 × 120 × 25 mm
Speed500–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3831 Pro 120mm PWM ARGB Case Fan”, https://vextor7.com/item/4985295 (accessed 2026-10-24).