Hardware Spec Index

Brontix FN-3746 XT 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3746-XT · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index437 (Case Fans scale)
Category rank#36,916
Street price$9
Power4 W
Performance per dollar48.56
Released2019

Specifications

BrandBrontix
ModelBrontix FN-3746 XT
Size140 × 140 × 25 mm
Speed400–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-5047 Pro 140mm PWM ARGB Case Fan1,126$39Compare
Caldera FN-3800 XT 120mm PWM Case Fan447$19Compare
Teralux FN-6422 Ultra 120mm PWM Case Fan (3-Pack)577$19Compare
Caldera FN-6566 SE 140mm PWM Case Fan375$9Compare
Teralux FN-7596 Ultra 120mm PWM ARGB Case Fan (3-Pack)1,025$29Compare
Teralux FN-7893 Pro 140mm PWM ARGB Case Fan1,255$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-3746 XT 140mm PWM Case Fan”, https://vextor7.com/item/8202216 (accessed 2026-10-24).