Hardware Spec Index

Brontix FN-8645 Ultra 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN8645-ULTRA · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index1,234 (Case Fans scale)
Category rank#30,015
Street price$39
Power3 W
Performance per dollar31.64
Released2025

Specifications

BrandBrontix
ModelBrontix FN-8645 Ultra
Size120 × 120 × 25 mm
Speed500–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-9079 Ti 120mm PWM Case Fan (3-Pack)693$19Compare
Brontix FN-9465 Edge 120mm PWM Case Fan285$9Compare
Brontix FN-3800 Ultra 140mm PWM Case Fan382$9Compare
Teralux FN-5528 Prime 140mm PWM Case Fan317$9Compare
Zephyra FN-5851 Plus 120mm PWM ARGB Case Fan (3-Pack)1,307$49Compare
Caldera FN-4754 SE 120mm PWM Case Fan196$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-8645 Ultra 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/42394751 (accessed 2026-10-26).