Hardware Spec Index

Brontix FN-4128 Prime 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4128-PRIME · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index772 (Case Fans scale)
Category rank#9,549
Street price$29
Power3 W
Performance per dollar26.62
Released2020

Specifications

BrandBrontix
ModelBrontix FN-4128 Prime
Size140 × 140 × 25 mm
Speed300–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise29 dBA
BearingMagnetic levitation
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
Corvane FN-4729 Pro 140mm PWM Case Fan330$9Compare
Zephyra FN-6704 XT 140mm PWM ARGB Case Fan1,224$49Compare
Caldera FN-7982 XT 120mm PWM Case Fan771$19Compare
Teralux FN-6790 Max 120mm PWM Case Fan354$19Compare
Teralux FN-6649 Ultra 140mm PWM ARGB Case Fan1,324$39Compare
Caldera FN-6492 Prime 120mm PWM ARGB Case Fan (3-Pack)1,399$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-4128 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/17648293 (accessed 2026-10-25).