Hardware Spec Index

Zephyra FN-4631 Pro 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN4631-PRO · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index422 (Case Fans scale)
Category rank#27,131
Street price$9
Power4 W
Performance per dollar46.89
Released2020

Specifications

BrandZephyra
ModelZephyra FN-4631 Pro
Size140 × 140 × 25 mm
Speed500–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4631 Pro 140mm PWM Case Fan”, https://vextor7.com/item/92712125 (accessed 2026-10-25).