Hardware Spec Index

Brontix FN-3709 Ultra 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3709-ULTRA · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index1,024 (Case Fans scale)
Category rank#11,234
Street price$29
Power3 W
Performance per dollar35.31
Released2023

Specifications

BrandBrontix
ModelBrontix FN-3709 Ultra
Size120 × 120 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
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-4641 Ti 140mm PWM Case Fan776$19Compare
Zephyra FN-3117 Edge 120mm PWM Case Fan (3-Pack)735$19Compare
Corvane FN-6967 SE 140mm PWM Case Fan (3-Pack)303$9Compare
Corvane FN-3322 Core 120mm PWM ARGB Case Fan1,344$49Compare
Caldera FN-2790 XT 140mm PWM Case Fan347$9Compare
Teralux FN-6835 Max 120mm PWM ARGB Case Fan1,185$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-3709 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/1104606 (accessed 2026-10-19).