Hardware Spec Index

Zephyra FN-6650 Ultra 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN6650-ULTRA · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index600 (Case Fans scale)
Category rank#20,706
Street price$19
Power3 W
Performance per dollar31.58
Released2020

Specifications

BrandZephyra
ModelZephyra FN-6650 Ultra
Size140 × 140 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-6650 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/7082009 (accessed 2026-10-19).