Hardware Spec Index

Zephyra FN-3669 Ultra 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN3669-ULTRA · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index1,008 (Case Fans scale)
Category rank#2,275
Street price$29
Power3 W
Performance per dollar34.76
Released2021

Specifications

BrandZephyra
ModelZephyra FN-3669 Ultra
Size140 × 140 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3669 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/5968079 (accessed 2026-10-22).