Hardware Spec Index

Brontix FN-3657 SE 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3657-SE · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index1,034 (Case Fans scale)
Category rank#1,297
Street price$39
Power4 W
Performance per dollar26.51
Released2020

Specifications

BrandBrontix
ModelBrontix FN-3657 SE
Size140 × 140 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
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
Zephyra FN-9294 Pro 120mm PWM ARGB Case Fan (3-Pack)1,400$49Compare
Corvane FN-2225 Max 120mm PWM ARGB Case Fan891$29Compare
Zephyra FN-5717 Max 140mm PWM ARGB Case Fan982$29Compare
Zephyra FN-2947 Ultra 140mm PWM Case Fan (3-Pack)538$19Compare
Teralux FN-3976 Edge 120mm PWM ARGB Case Fan (3-Pack)1,098$39Compare
Brontix FN-8398 Max 140mm PWM ARGB Case Fan972$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-3657 SE 140mm PWM ARGB Case Fan”, https://vextor7.com/item/2674466 (accessed 2026-10-26).