Hardware Spec Index

Zephyra FN-9631 Ultra 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN9631-ULTRA · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index761 (Case Fans scale)
Category rank#2,554
Street price$19
Power3 W
Performance per dollar40.05
Released2021

Specifications

BrandZephyra
ModelZephyra FN-9631 Ultra
Size140 × 140 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise30 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-9631 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/3439741 (accessed 2026-10-20).