Hardware Spec Index

Brontix FN-9643 Prime 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN9643-PRIME · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index1,313 (Case Fans scale)
Category rank#15,630
Street price$49
Power3 W
Performance per dollar26.80
Released2020

Specifications

BrandBrontix
ModelBrontix FN-9643 Prime
Size120 × 120 × 25 mm
Speed400–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise33 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-4591 Ultra 140mm PWM ARGB Case Fan922$29Compare
Brontix FN-2238 Ti 120mm PWM Case Fan (3-Pack)771$19Compare
Brontix FN-6320 Plus 120mm PWM ARGB Case Fan1,256$49Compare
Caldera FN-1352 Prime 140mm PWM Case Fan802$29Compare
Teralux FN-8566 Max 120mm PWM ARGB Case Fan854$29Compare
Brontix FN-5671 Max 120mm PWM Case Fan446$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-9643 Prime 120mm PWM ARGB Case Fan”, https://vextor7.com/item/93021073 (accessed 2026-10-22).