Hardware Spec Index

Zephyra FN-4090 Ultra 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN4090-ULTRA · Released 2024 · Updated 2026-10-18

Key facts

Benchmark index954 (Case Fans scale)
Category rank#13,692
Street price$29
Power4 W
Performance per dollar32.90
Released2024

Specifications

BrandZephyra
ModelZephyra FN-4090 Ultra
Size120 × 120 × 25 mm
Speed200–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise31 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-4090 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/357635 (accessed 2026-10-18).