Hardware Spec Index

Brontix FN-4975 XT 140mm PWM Case Fan

Case Fans · Brontix · SKU FN4975-XT · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index680 (Case Fans scale)
Category rank#17,497
Street price$19
Power4 W
Performance per dollar35.79
Released2024

Specifications

BrandBrontix
ModelBrontix FN-4975 XT
Size140 × 140 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise24 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4975 XT 140mm PWM Case Fan”, https://vextor7.com/item/93485584 (accessed 2026-10-22).