Hardware Spec Index

Brontix FN-4770 Ultra 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4770-ULTRA · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index1,149 (Case Fans scale)
Category rank#13,474
Street price$39
Power3 W
Performance per dollar29.46
Released2020

Specifications

BrandBrontix
ModelBrontix FN-4770 Ultra
Size120 × 120 × 25 mm
Speed200–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-3151 Plus 140mm PWM ARGB Case Fan1,400$49Compare
Caldera FN-6733 Edge 120mm PWM ARGB Case Fan897$29Compare
Zephyra FN-7472 Ti 120mm PWM Case Fan (3-Pack)266$9Compare
Zephyra FN-4496 SE 120mm PWM ARGB Case Fan (3-Pack)932$29Compare
Zephyra FN-9813 XT 120mm PWM ARGB Case Fan1,287$39Compare
Zephyra FN-7023 Plus 120mm PWM ARGB Case Fan1,155$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-4770 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/94813571 (accessed 2026-10-25).