Hardware Spec Index

Zephyra FN-4000 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN4000-ULTRA · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index420 (Case Fans scale)
Category rank#16,727
Street price$9
Power4 W
Performance per dollar46.67
Released2025

Specifications

BrandZephyra
ModelZephyra FN-4000 Ultra
Size120 × 120 × 25 mm
Speed200–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4000 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/10439784 (accessed 2026-10-25).