Hardware Spec Index

Brontix FN-3972 Plus 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3972-PLUS · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index778 (Case Fans scale)
Category rank#13,494
Street price$29
Power4 W
Performance per dollar26.83
Released2025

Specifications

BrandBrontix
ModelBrontix FN-3972 Plus
Size140 × 140 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise32 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-7036 Ultra 120mm PWM ARGB Case Fan (3-Pack)1,373$49Compare
Teralux FN-8733 Plus 120mm PWM Case Fan395$9Compare
Caldera FN-1346 SE 120mm PWM Case Fan515$19Compare
Caldera FN-7605 Max 120mm PWM ARGB Case Fan1,216$39Compare
Teralux FN-8852 Pro 120mm PWM ARGB Case Fan (3-Pack)1,034$29Compare
Teralux FN-2198 Edge 140mm PWM ARGB Case Fan (3-Pack)1,344$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-3972 Plus 140mm PWM Case Fan”, https://vextor7.com/item/9621174 (accessed 2026-10-21).