Hardware Spec Index

Brontix FN-4240 Core 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4240-CORE · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index1,246 (Case Fans scale)
Category rank#24,986
Street price$49
Power2 W
Performance per dollar25.43
Released2020

Specifications

BrandBrontix
ModelBrontix FN-4240 Core
Size140 × 140 × 25 mm
Speed500–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise25 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
Corvane FN-7778 XT 120mm PWM ARGB Case Fan (3-Pack)1,290$49Compare
Teralux FN-8680 Prime 120mm PWM Case Fan (3-Pack)210$9Compare
Caldera FN-1203 Core 140mm PWM Case Fan576$19Compare
Teralux FN-6689 Prime 140mm PWM ARGB Case Fan796$29Compare
Caldera FN-2667 Max 140mm PWM Case Fan (3-Pack)574$19Compare
Caldera FN-1356 Prime 140mm PWM ARGB Case Fan (3-Pack)1,378$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-4240 Core 140mm PWM ARGB Case Fan”, https://vextor7.com/item/21497650 (accessed 2026-10-22).