Hardware Spec Index

Brontix FN-4021 XT 140mm PWM Case Fan

Case Fans · Brontix · SKU FN4021-XT · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index720 (Case Fans scale)
Category rank#31,944
Street price$19
Power4 W
Performance per dollar37.89
Released2019

Specifications

BrandBrontix
ModelBrontix FN-4021 XT
Size140 × 140 × 25 mm
Speed200–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise26 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-6161 SE 120mm PWM Case Fan481$19Compare
Zephyra FN-1686 Pro 120mm PWM ARGB Case Fan (3-Pack)1,205$39Compare
Zephyra FN-4839 SE 140mm PWM ARGB Case Fan1,147$39Compare
Caldera FN-6877 Ti 120mm PWM Case Fan579$19Compare
Caldera FN-2175 Plus 120mm PWM ARGB Case Fan1,379$39Compare
Corvane FN-4750 Core 120mm PWM Case Fan384$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-4021 XT 140mm PWM Case Fan”, https://vextor7.com/item/481790 (accessed 2026-10-26).