Hardware Spec Index

Brontix FN-6740 SE 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN6740-SE · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index1,312 (Case Fans scale)
Category rank#8,842
Street price$39
Power4 W
Performance per dollar33.64
Released2025

Specifications

BrandBrontix
ModelBrontix FN-6740 SE
Size140 × 140 × 25 mm
Speed200–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise32 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-3501 Ti 140mm PWM Case Fan649$19Compare
Brontix FN-7841 Max 140mm PWM ARGB Case Fan964$29Compare
Caldera FN-1290 Core 120mm PWM Case Fan492$19Compare
Zephyra FN-3362 Pro 140mm PWM ARGB Case Fan1,242$39Compare
Brontix FN-5148 Ultra 120mm PWM Case Fan360$9Compare
Brontix FN-3583 XT 120mm PWM Case Fan (3-Pack)592$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-6740 SE 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/17705142 (accessed 2026-10-21).