Hardware Spec Index

Brontix FN-3811 XT 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3811-XT · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index740 (Case Fans scale)
Category rank#1,678
Street price$19
Power3 W
Performance per dollar38.95
Released2019

Specifications

BrandBrontix
ModelBrontix FN-3811 XT
Size140 × 140 × 25 mm
Speed200–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-4490 Ti 140mm PWM ARGB Case Fan1,338$39Compare
Zephyra FN-8093 Ti 120mm PWM ARGB Case Fan1,213$49Compare
Zephyra FN-9766 Plus 120mm PWM Case Fan483$19Compare
Caldera FN-8309 Core 120mm PWM Case Fan473$19Compare
Zephyra FN-3691 Edge 120mm PWM ARGB Case Fan (3-Pack)1,108$39Compare
Teralux FN-6426 Prime 120mm PWM Case Fan (3-Pack)787$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-3811 XT 140mm PWM Case Fan”, https://vextor7.com/item/44559053 (accessed 2026-10-23).