Hardware Spec Index

Brontix FN-4378 Pro 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4378-PRO · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index858 (Case Fans scale)
Category rank#38,560
Street price$29
Power4 W
Performance per dollar29.59
Released2022

Specifications

BrandBrontix
ModelBrontix FN-4378 Pro
Size140 × 140 × 25 mm
Speed200–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-8169 Plus 120mm PWM Case Fan680$19Compare
Caldera FN-9184 Plus 120mm PWM Case Fan281$9Compare
Brontix FN-3008 Ultra 120mm PWM ARGB Case Fan1,316$49Compare
Brontix FN-6577 Ti 120mm PWM Case Fan (3-Pack)600$19Compare
Caldera FN-3359 Pro 120mm PWM Case Fan495$19Compare
Zephyra FN-3707 SE 120mm PWM ARGB Case Fan (3-Pack)1,139$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-4378 Pro 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/81672768 (accessed 2026-10-26).