Hardware Spec Index

Brontix FN-3531 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3531-PRIME · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index747 (Case Fans scale)
Category rank#13,259
Street price$19
Power4 W
Performance per dollar39.32
Released2020

Specifications

BrandBrontix
ModelBrontix FN-3531 Prime
Size140 × 140 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-8437 Prime 120mm PWM Case Fan636$19Compare
Zephyra FN-8255 Plus 140mm PWM Case Fan391$9Compare
Caldera FN-7451 XT 120mm PWM Case Fan818$19Compare
Zephyra FN-2736 Plus 140mm PWM Case Fan658$19Compare
Teralux FN-2295 SE 140mm PWM Case Fan457$9Compare
Caldera FN-6809 SE 120mm PWM Case Fan (3-Pack)845$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-3531 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/825882 (accessed 2026-10-21).