Hardware Spec Index

Brontix FN-9931 Ti 140mm PWM Case Fan

Case Fans · Brontix · SKU FN9931-TI · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index640 (Case Fans scale)
Category rank#22,752
Street price$19
Power4 W
Performance per dollar33.68
Released2025

Specifications

BrandBrontix
ModelBrontix FN-9931 Ti
Size140 × 140 × 25 mm
Speed300–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-6719 Core 120mm PWM Case Fan722$19Compare
Teralux FN-5138 Max 120mm PWM ARGB Case Fan (3-Pack)793$29Compare
Teralux FN-7076 Edge 140mm PWM ARGB Case Fan904$29Compare
Corvane FN-7550 Plus 140mm PWM ARGB Case Fan (3-Pack)1,160$39Compare
Caldera FN-7651 Max 140mm PWM ARGB Case Fan986$29Compare
Corvane FN-9747 Ti 120mm PWM Case Fan (3-Pack)657$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-9931 Ti 140mm PWM Case Fan”, https://vextor7.com/item/8633135 (accessed 2026-10-25).