Hardware Spec Index

Zephyra FN-8931 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN8931-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index653 (Case Fans scale)
Category rank#9,421
Street price$19
Power3 W
Performance per dollar34.37
Released2021

Specifications

BrandZephyra
ModelZephyra FN-8931 Ultra
Size140 × 140 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise30 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-8931 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/20128187 (accessed 2026-10-21).