Hardware Spec Index

Brontix FN-3733 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3733-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index776 (Case Fans scale)
Category rank#36,705
Street price$19
Power3 W
Performance per dollar40.84
Released2021

Specifications

BrandBrontix
ModelBrontix FN-3733 Ultra
Size120 × 120 × 25 mm
Speed400–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-5397 XT 120mm PWM ARGB Case Fan1,286$49Compare
Zephyra FN-8491 SE 120mm PWM Case Fan417$19Compare
Corvane FN-8100 Plus 140mm PWM Case Fan754$19Compare
Zephyra FN-3908 SE 140mm PWM Case Fan593$19Compare
Zephyra FN-8701 Core 140mm PWM Case Fan (3-Pack)555$19Compare
Teralux FN-8746 SE 120mm PWM ARGB Case Fan790$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-3733 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/12980508 (accessed 2026-10-21).