Hardware Spec Index

Brontix FN-3749 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3749-ULTRA · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index403 (Case Fans scale)
Category rank#36,212
Street price$9
Power4 W
Performance per dollar44.78
Released2022

Specifications

BrandBrontix
ModelBrontix FN-3749 Ultra
Size120 × 120 × 25 mm
Speed300–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise24 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-3670 Plus 120mm PWM ARGB Case Fan1,088$39Compare
Teralux FN-4067 Ultra 120mm PWM Case Fan753$19Compare
Corvane FN-9372 Ti 140mm PWM Case Fan775$29Compare
Teralux FN-8964 SE 140mm PWM ARGB Case Fan967$29Compare
Corvane FN-2702 Edge 120mm PWM ARGB Case Fan835$29Compare
Teralux FN-2330 Pro 140mm PWM Case Fan698$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-3749 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/4468216 (accessed 2026-10-25).