Hardware Spec Index

Zephyra FN-6474 Ultra 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN6474-ULTRA · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index798 (Case Fans scale)
Category rank#23,860
Street price$29
Power4 W
Performance per dollar27.52
Released2024

Specifications

BrandZephyra
ModelZephyra FN-6474 Ultra
Size140 × 140 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-6474 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/11089207 (accessed 2026-10-25).