Hardware Spec Index

Brontix FN-3478 XT 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3478-XT · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index1,203 (Case Fans scale)
Category rank#45,432
Street price$39
Power4 W
Performance per dollar30.85
Released2024

Specifications

BrandBrontix
ModelBrontix FN-3478 XT
Size140 × 140 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise26 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3478 XT 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/12656555 (accessed 2026-10-26).