Hardware Spec Index

Brontix FN-3725 Ultra 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3725-ULTRA · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index997 (Case Fans scale)
Category rank#26,563
Street price$29
Power4 W
Performance per dollar34.38
Released2025

Specifications

BrandBrontix
ModelBrontix FN-3725 Ultra
Size140 × 140 × 25 mm
Speed300–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise30 dBA
BearingRifle 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
Corvane FN-7446 Ti 140mm PWM Case Fan (3-Pack)316$9Compare
Corvane FN-7903 Ultra 120mm PWM Case Fan758$19Compare
Caldera FN-2412 Ti 140mm PWM ARGB Case Fan1,400$49Compare
Caldera FN-3839 Ultra 120mm PWM Case Fan (3-Pack)314$9Compare
Brontix FN-8958 Ultra 120mm PWM ARGB Case Fan (3-Pack)1,321$49Compare
Zephyra FN-2362 Ti 120mm PWM ARGB Case Fan (3-Pack)1,363$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-3725 Ultra 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/4901672 (accessed 2026-10-26).