Hardware Spec Index

Brontix FN-9640 Pro 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN9640-PRO · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index1,304 (Case Fans scale)
Category rank#17,695
Street price$49
Power3 W
Performance per dollar26.61
Released2024

Specifications

BrandBrontix
ModelBrontix FN-9640 Pro
Size120 × 120 × 25 mm
Speed300–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-1525 Core 140mm PWM ARGB Case Fan (3-Pack)1,353$49Compare
Brontix FN-9725 XT 120mm PWM Case Fan245$9Compare
Teralux FN-6299 Plus 120mm PWM ARGB Case Fan986$29Compare
Caldera FN-7840 Ultra 120mm PWM Case Fan639$19Compare
Brontix FN-1245 SE 120mm PWM Case Fan352$9Compare
Zephyra FN-6513 Max 140mm PWM ARGB Case Fan (3-Pack)914$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-9640 Pro 120mm PWM ARGB Case Fan”, https://vextor7.com/item/19852363 (accessed 2026-10-21).