Hardware Spec Index

Brontix FN-3975 Ultra 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3975-ULTRA · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index1,030 (Case Fans scale)
Category rank#44,511
Street price$29
Power4 W
Performance per dollar35.52
Released2021

Specifications

BrandBrontix
ModelBrontix FN-3975 Ultra
Size140 × 140 × 25 mm
Speed200–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise32 dBA
BearingMagnetic levitation
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
Caldera FN-9348 Edge 120mm PWM Case Fan559$19Compare
Teralux FN-8204 XT 140mm PWM Case Fan480$19Compare
Corvane FN-2410 Edge 120mm PWM ARGB Case Fan890$29Compare
Caldera FN-8018 SE 120mm PWM Case Fan (3-Pack)658$19Compare
Caldera FN-6324 Pro 120mm PWM Case Fan (3-Pack)550$19Compare
Corvane FN-1898 XT 140mm PWM ARGB Case Fan1,384$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-3975 Ultra 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/52949728 (accessed 2026-10-22).