Hardware Spec Index

Brontix FN-3640 XT 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3640-XT · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index377 (Case Fans scale)
Category rank#23,385
Street price$9
Power3 W
Performance per dollar41.89
Released2019

Specifications

BrandBrontix
ModelBrontix FN-3640 XT
Size120 × 120 × 25 mm
Speed200–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise23 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-5137 Ti 140mm PWM Case Fan272$9Compare
Teralux FN-4187 SE 120mm PWM Case Fan347$9Compare
Corvane FN-5977 Prime 120mm PWM Case Fan683$19Compare
Teralux FN-2633 XT 120mm PWM ARGB Case Fan1,137$29Compare
Caldera FN-7835 Ultra 120mm PWM Case Fan318$9Compare
Corvane FN-1879 XT 120mm PWM ARGB Case Fan906$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-3640 XT 120mm PWM Case Fan”, https://vextor7.com/item/4686296 (accessed 2026-10-19).