Hardware Spec Index

Zephyra FN-3931 XT 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN3931-XT · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index898 (Case Fans scale)
Category rank#13,785
Street price$29
Power3 W
Performance per dollar30.97
Released2020

Specifications

BrandZephyra
ModelZephyra FN-3931 XT
Size140 × 140 × 25 mm
Speed500–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3931 XT 140mm PWM ARGB Case Fan”, https://vextor7.com/item/4767296 (accessed 2026-10-21).