Hardware Spec Index

Brontix FN-4756 Ultra 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4756-ULTRA · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index1,249 (Case Fans scale)
Category rank#12,634
Street price$49
Power4 W
Performance per dollar25.49
Released2023

Specifications

BrandBrontix
ModelBrontix FN-4756 Ultra
Size120 × 120 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise33 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
Caldera FN-8570 Ultra 120mm PWM ARGB Case Fan1,355$39Compare
Zephyra FN-2782 Ultra 120mm PWM Case Fan724$19Compare
Corvane FN-2445 Pro 140mm PWM ARGB Case Fan1,180$39Compare
Corvane FN-7921 SE 120mm PWM Case Fan (3-Pack)688$19Compare
Brontix FN-7745 Max 140mm PWM Case Fan (3-Pack)761$19Compare
Zephyra FN-8813 Max 120mm PWM Case Fan658$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-4756 Ultra 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/31365718 (accessed 2026-10-25).