Hardware Spec Index

Brontix FN-9121 Core 140mm PWM Case Fan

Case Fans · Brontix · SKU FN9121-CORE · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index765 (Case Fans scale)
Category rank#38,807
Street price$29
Power3 W
Performance per dollar26.38
Released2020

Specifications

BrandBrontix
ModelBrontix FN-9121 Core
Size140 × 140 × 25 mm
Speed400–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-2047 Edge 120mm PWM Case Fan212$9Compare
Brontix FN-5276 Prime 140mm PWM ARGB Case Fan1,007$29Compare
Brontix FN-1206 Edge 140mm PWM Case Fan696$19Compare
Caldera FN-6334 XT 140mm PWM ARGB Case Fan1,117$39Compare
Teralux FN-3346 Prime 120mm PWM Case Fan (3-Pack)305$9Compare
Zephyra FN-3784 XT 120mm PWM ARGB Case Fan1,233$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-9121 Core 140mm PWM Case Fan”, https://vextor7.com/item/11029655 (accessed 2026-10-22).