Hardware Spec Index

Zephyra FN-8631 Ultra 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN8631-ULTRA · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index729 (Case Fans scale)
Category rank#14,279
Street price$19
Power4 W
Performance per dollar38.37
Released2021

Specifications

BrandZephyra
ModelZephyra FN-8631 Ultra
Size120 × 120 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise30 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-8631 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/19960697 (accessed 2026-10-23).