Hardware Spec Index

Brontix FN-3670 Core 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3670-CORE · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index1,227 (Case Fans scale)
Category rank#42,292
Street price$39
Power4 W
Performance per dollar31.46
Released2019

Specifications

BrandBrontix
ModelBrontix FN-3670 Core
Size140 × 140 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise36 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
Brontix FN-5139 Edge 120mm PWM ARGB Case Fan (3-Pack)852$29Compare
Teralux FN-9574 Pro 120mm PWM ARGB Case Fan817$29Compare
Teralux FN-7620 Ultra 140mm PWM Case Fan716$19Compare
Zephyra FN-4943 Prime 120mm PWM Case Fan469$19Compare
Teralux FN-8160 SE 120mm PWM ARGB Case Fan1,133$39Compare
Caldera FN-4300 Ultra 120mm PWM ARGB Case Fan1,234$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-3670 Core 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/96823086 (accessed 2026-10-25).