Hardware Spec Index

Brontix FN-4757 Pro 140mm PWM Case Fan

Case Fans · Brontix · SKU FN4757-PRO · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index624 (Case Fans scale)
Category rank#38,475
Street price$19
Power3 W
Performance per dollar32.84
Released2023

Specifications

BrandBrontix
ModelBrontix FN-4757 Pro
Size140 × 140 × 25 mm
Speed200–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise28 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-1220 Ultra 140mm PWM Case Fan337$9Compare
Corvane FN-2222 Plus 140mm PWM ARGB Case Fan (3-Pack)1,084$39Compare
Brontix FN-5862 Ultra 120mm PWM ARGB Case Fan1,137$39Compare
Caldera FN-5399 SE 140mm PWM ARGB Case Fan (3-Pack)1,254$49Compare
Caldera FN-3077 Max 120mm PWM ARGB Case Fan1,007$39Compare
Caldera FN-7808 Ultra 140mm PWM ARGB Case Fan1,250$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-4757 Pro 140mm PWM Case Fan”, https://vextor7.com/item/53663641 (accessed 2026-10-21).