Hardware Spec Index

Brontix FN-3946 XT 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3946-XT · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index361 (Case Fans scale)
Category rank#19,003
Street price$9
Power3 W
Performance per dollar40.11
Released2020

Specifications

BrandBrontix
ModelBrontix FN-3946 XT
Size120 × 120 × 25 mm
Speed300–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-6500 Ultra 120mm PWM Case Fan (3-Pack)488$19Compare
Teralux FN-8868 SE 120mm PWM Case Fan (3-Pack)602$19Compare
Teralux FN-4629 Edge 120mm PWM ARGB Case Fan (3-Pack)1,017$29Compare
Corvane FN-4100 Max 140mm PWM Case Fan601$19Compare
Zephyra FN-5227 Edge 120mm PWM ARGB Case Fan929$29Compare
Teralux FN-3453 Max 140mm PWM Case Fan (3-Pack)207$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-3946 XT 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/8974796 (accessed 2026-10-23).