Hardware Spec Index

Zephyra FN-8640 Pro 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN8640-PRO · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index269 (Case Fans scale)
Category rank#836
Street price$9
Power4 W
Performance per dollar29.89
Released2020

Specifications

BrandZephyra
ModelZephyra FN-8640 Pro
Size140 × 140 × 25 mm
Speed200–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-8640 Pro 140mm PWM Case Fan”, https://vextor7.com/item/3021202 (accessed 2026-10-24).