Hardware Spec Index

Brontix FN-6658 XT 140mm PWM Case Fan

Case Fans · Brontix · SKU FN6658-XT · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index353 (Case Fans scale)
Category rank#37,974
Street price$9
Power4 W
Performance per dollar39.22
Released2020

Specifications

BrandBrontix
ModelBrontix FN-6658 XT
Size140 × 140 × 25 mm
Speed300–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise33 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-9856 Ultra 140mm PWM ARGB Case Fan1,054$29Compare
Caldera FN-8018 Pro 140mm PWM Case Fan374$9Compare
Teralux FN-4000 XT 140mm PWM ARGB Case Fan (3-Pack)835$19Compare
Brontix FN-6945 SE 140mm PWM Case Fan338$9Compare
Teralux FN-6324 SE 120mm PWM ARGB Case Fan1,041$39Compare
Teralux FN-1426 XT 120mm PWM Case Fan490$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-6658 XT 140mm PWM Case Fan”, https://vextor7.com/item/4250168 (accessed 2026-10-22).