Hardware Spec Index

Brontix FN-3656 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3656-PRIME · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index487 (Case Fans scale)
Category rank#14,801
Street price$19
Power4 W
Performance per dollar25.63
Released2019

Specifications

BrandBrontix
ModelBrontix FN-3656 Prime
Size140 × 140 × 25 mm
Speed200–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-9221 Max 120mm PWM ARGB Case Fan1,381$49Compare
Zephyra FN-7707 Ti 120mm PWM Case Fan (3-Pack)634$19Compare
Brontix FN-2161 Core 140mm PWM ARGB Case Fan1,276$49Compare
Zephyra FN-9392 Prime 140mm PWM ARGB Case Fan1,147$49Compare
Zephyra FN-5567 SE 120mm PWM Case Fan476$19Compare
Zephyra FN-9005 Ti 120mm PWM Case Fan230$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-3656 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/8912252 (accessed 2026-10-25).