Hardware Spec Index

Brontix FN-3970 Ultra 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3970-ULTRA · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index1,168 (Case Fans scale)
Category rank#7,241
Street price$39
Power3 W
Performance per dollar29.95
Released2025

Specifications

BrandBrontix
ModelBrontix FN-3970 Ultra
Size120 × 120 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-4374 Core 120mm PWM Case Fan585$19Compare
Teralux FN-7439 Ti 120mm PWM Case Fan655$19Compare
Zephyra FN-3022 Pro 120mm PWM ARGB Case Fan1,167$39Compare
Brontix FN-4657 Ti 120mm PWM Case Fan (3-Pack)647$19Compare
Corvane FN-3627 Plus 140mm PWM Case Fan (3-Pack)384$19Compare
Caldera FN-7930 Plus 120mm PWM Case Fan663$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-3970 Ultra 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/52592854 (accessed 2026-10-19).