Hardware Spec Index

Brontix FN-5709 XT 140mm PWM Case Fan

Case Fans · Brontix · SKU FN5709-XT · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index686 (Case Fans scale)
Category rank#28,273
Street price$19
Power3 W
Performance per dollar36.11
Released2020

Specifications

BrandBrontix
ModelBrontix FN-5709 XT
Size140 × 140 × 25 mm
Speed400–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-3645 Pro 120mm PWM Case Fan791$29Compare
Brontix FN-1683 Max 120mm PWM Case Fan282$9Compare
Teralux FN-9639 Pro 120mm PWM ARGB Case Fan981$39Compare
Brontix FN-8791 Pro 120mm PWM ARGB Case Fan1,107$39Compare
Teralux FN-7077 SE 140mm PWM Case Fan326$9Compare
Zephyra FN-3128 Edge 120mm PWM ARGB Case Fan1,146$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-5709 XT 140mm PWM Case Fan”, https://vextor7.com/item/629267 (accessed 2026-10-20).