Hardware Spec Index

Brontix FN-3943 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3943-ULTRA · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index376 (Case Fans scale)
Category rank#31,009
Street price$9
Power3 W
Performance per dollar41.78
Released2024

Specifications

BrandBrontix
ModelBrontix FN-3943 Ultra
Size120 × 120 × 25 mm
Speed200–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-7827 Ti 140mm PWM ARGB Case Fan1,400$49Compare
Teralux FN-9336 Ultra 120mm PWM ARGB Case Fan902$29Compare
Teralux FN-8159 Ti 140mm PWM Case Fan342$9Compare
Zephyra FN-2550 Edge 120mm PWM Case Fan (3-Pack)474$19Compare
Caldera FN-7270 Core 140mm PWM Case Fan (3-Pack)454$9Compare
Caldera FN-7696 XT 120mm PWM ARGB Case Fan1,070$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-3943 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/68304605 (accessed 2026-10-20).