Hardware Spec Index

Brontix FN-3657 Ti 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3657-TI · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index342 (Case Fans scale)
Category rank#37,907
Street price$9
Power3 W
Performance per dollar38.00
Released2025

Specifications

BrandBrontix
ModelBrontix FN-3657 Ti
Size140 × 140 × 25 mm
Speed500–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-6573 Edge 120mm PWM ARGB Case Fan1,256$49Compare
Zephyra FN-3888 Edge 120mm PWM ARGB Case Fan1,220$49Compare
Brontix FN-9935 Plus 120mm PWM Case Fan (3-Pack)660$19Compare
Caldera FN-4656 XT 140mm PWM Case Fan (3-Pack)746$19Compare
Zephyra FN-4374 SE 120mm PWM Case Fan259$9Compare
Zephyra FN-7691 Core 120mm PWM ARGB Case Fan1,182$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-3657 Ti 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/95296844 (accessed 2026-10-25).