Hardware Spec Index

Brontix FN-3489 Ultra 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3489-ULTRA · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index303 (Case Fans scale)
Category rank#12,251
Street price$9
Power4 W
Performance per dollar33.67
Released2022

Specifications

BrandBrontix
ModelBrontix FN-3489 Ultra
Size140 × 140 × 25 mm
Speed300–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-6821 XT 140mm PWM ARGB Case Fan839$29Compare
Caldera FN-4979 Plus 120mm PWM Case Fan636$19Compare
Caldera FN-6476 XT 120mm PWM Case Fan205$9Compare
Corvane FN-7722 Core 120mm PWM ARGB Case Fan1,294$39Compare
Caldera FN-8907 Core 120mm PWM ARGB Case Fan934$29Compare
Caldera FN-4497 Core 120mm PWM ARGB Case Fan (3-Pack)1,036$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-3489 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/7110693 (accessed 2026-10-20).