Hardware Spec Index

Brontix FN-4291 Prime 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4291-PRIME · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index1,120 (Case Fans scale)
Category rank#140
Street price$39
Power3 W
Performance per dollar28.72
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4291 Prime
Size140 × 140 × 25 mm
Speed400–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise36 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
Brontix FN-1636 Ultra 120mm PWM Case Fan (3-Pack)779$19Compare
Brontix FN-1993 SE 120mm PWM ARGB Case Fan857$29Compare
Corvane FN-6313 XT 140mm PWM ARGB Case Fan (3-Pack)1,188$49Compare
Caldera FN-2048 Pro 140mm PWM ARGB Case Fan1,269$49Compare
Corvane FN-6999 XT 140mm PWM ARGB Case Fan1,226$49Compare
Brontix FN-8356 Core 120mm PWM Case Fan561$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-4291 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/3131616 (accessed 2026-10-23).