Hardware Spec Index

Brontix FN-6647 Plus 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN6647-PLUS · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index937 (Case Fans scale)
Category rank#9,027
Street price$29
Power3 W
Performance per dollar32.31
Released2019

Specifications

BrandBrontix
ModelBrontix FN-6647 Plus
Size140 × 140 × 25 mm
Speed300–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise25 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-8783 Max 140mm PWM ARGB Case Fan1,215$39Compare
Teralux FN-5037 Max 120mm PWM Case Fan315$9Compare
Corvane FN-7388 Pro 120mm PWM Case Fan (3-Pack)806$19Compare
Caldera FN-1485 Plus 120mm PWM Case Fan (3-Pack)722$19Compare
Zephyra FN-6629 Prime 120mm PWM ARGB Case Fan983$39Compare
Caldera FN-1235 XT 120mm PWM ARGB Case Fan1,233$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-6647 Plus 140mm PWM ARGB Case Fan”, https://vextor7.com/item/7940191 (accessed 2026-10-21).