Hardware Spec Index

Brontix FN-6739 Pro 140mm PWM Case Fan

Case Fans · Brontix · SKU FN6739-PRO · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index542 (Case Fans scale)
Category rank#48,693
Street price$19
Power4 W
Performance per dollar28.53
Released2019

Specifications

BrandBrontix
ModelBrontix FN-6739 Pro
Size140 × 140 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-5685 Ultra 140mm PWM ARGB Case Fan1,281$49Compare
Brontix FN-3951 Core 140mm PWM ARGB Case Fan1,085$39Compare
Zephyra FN-4417 Ultra 120mm PWM ARGB Case Fan1,292$49Compare
Zephyra FN-8318 Prime 120mm PWM ARGB Case Fan (3-Pack)1,099$39Compare
Caldera FN-7923 Ti 120mm PWM Case Fan354$9Compare
Zephyra FN-3934 Prime 140mm PWM ARGB Case Fan1,030$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-6739 Pro 140mm PWM Case Fan”, https://vextor7.com/item/4203993 (accessed 2026-10-22).