Hardware Spec Index

Zephyra FN-4575 Ultra 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN4575-ULTRA · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index696 (Case Fans scale)
Category rank#3,638
Street price$19
Power3 W
Performance per dollar36.63
Released2024

Specifications

BrandZephyra
ModelZephyra FN-4575 Ultra
Size120 × 120 × 25 mm
Speed500–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise36 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4575 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/93660198 (accessed 2026-10-20).