Hardware Spec Index

Brontix FN-3987 Prime 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3987-PRIME · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index1,350 (Case Fans scale)
Category rank#34,048
Street price$49
Power4 W
Performance per dollar27.55
Released2024

Specifications

BrandBrontix
ModelBrontix FN-3987 Prime
Size140 × 140 × 25 mm
Speed200–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-5440 XT 120mm PWM Case Fan526$19Compare
Brontix FN-7740 Max 140mm PWM ARGB Case Fan (3-Pack)1,067$39Compare
Zephyra FN-6466 Ti 140mm PWM ARGB Case Fan898$29Compare
Teralux FN-9710 Pro 140mm PWM Case Fan836$29Compare
Teralux FN-4556 XT 140mm PWM ARGB Case Fan1,276$49Compare
Corvane FN-1566 Core 120mm PWM Case Fan240$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-3987 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/66937 (accessed 2026-10-19).