Hardware Spec Index

Brontix FN-9646 XT 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN9646-XT · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index1,287 (Case Fans scale)
Category rank#48,631
Street price$39
Power4 W
Performance per dollar33.00
Released2021

Specifications

BrandBrontix
ModelBrontix FN-9646 XT
Size140 × 140 × 25 mm
Speed500–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-4162 Pro 140mm PWM Case Fan (3-Pack)526$19Compare
Brontix FN-9202 XT 140mm PWM ARGB Case Fan (3-Pack)1,008$39Compare
Caldera FN-6646 Ultra 140mm PWM ARGB Case Fan1,369$49Compare
Brontix FN-4821 SE 120mm PWM ARGB Case Fan (3-Pack)1,144$39Compare
Corvane FN-5374 SE 120mm PWM ARGB Case Fan1,183$39Compare
Teralux FN-9242 Core 120mm PWM ARGB Case Fan973$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-9646 XT 140mm PWM ARGB Case Fan”, https://vextor7.com/item/98692732 (accessed 2026-10-23).