Hardware Spec Index

Zephyra FN-6604 Ultra 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN6604-ULTRA · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index1,112 (Case Fans scale)
Category rank#14,793
Street price$39
Power4 W
Performance per dollar28.51
Released2025

Specifications

BrandZephyra
ModelZephyra FN-6604 Ultra
Size140 × 140 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise23 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-6604 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/21874686 (accessed 2026-10-25).