Hardware Spec Index

Zephyra FN-6431 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN6431-PRIME · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index611 (Case Fans scale)
Category rank#30,095
Street price$19
Power3 W
Performance per dollar32.16
Released2023

Specifications

BrandZephyra
ModelZephyra FN-6431 Prime
Size140 × 140 × 25 mm
Speed400–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-6431 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/45919688 (accessed 2026-10-19).