Hardware Spec Index

Zephyra FN-4091 Ultra 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN4091-ULTRA · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index1,172 (Case Fans scale)
Category rank#22,431
Street price$39
Power4 W
Performance per dollar30.05
Released2024

Specifications

BrandZephyra
ModelZephyra FN-4091 Ultra
Size120 × 120 × 25 mm
Speed200–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise26 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4091 Ultra 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/19839655 (accessed 2026-10-22).