Hardware Spec Index

Zephyra FN-6659 Pro 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN6659-PRO · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index512 (Case Fans scale)
Category rank#45,188
Street price$19
Power3 W
Performance per dollar26.95
Released2021

Specifications

BrandZephyra
ModelZephyra FN-6659 Pro
Size140 × 140 × 25 mm
Speed200–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-6659 Pro 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/8795374 (accessed 2026-10-23).