Hardware Spec Index

Zephyra FN-6311 Ultra 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN6311-ULTRA · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index587 (Case Fans scale)
Category rank#40,147
Street price$19
Power3 W
Performance per dollar30.89
Released2024

Specifications

BrandZephyra
ModelZephyra FN-6311 Ultra
Size140 × 140 × 25 mm
Speed200–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-6311 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/6241968 (accessed 2026-10-26).