Hardware Spec Index

Zephyra FN-4397 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN4397-ULTRA · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index397 (Case Fans scale)
Category rank#12,439
Street price$9
Power4 W
Performance per dollar44.11
Released2024

Specifications

BrandZephyra
ModelZephyra FN-4397 Ultra
Size140 × 140 × 25 mm
Speed500–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4397 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/92430326 (accessed 2026-10-24).