Hardware Spec Index

Brontix FN-6403 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN6403-ULTRA · Released 2026 · Updated 2026-10-26

Key facts

Benchmark index790 (Case Fans scale)
Category rank#43,863
Street price$19
Power3 W
Performance per dollar41.58
Released2026

Specifications

BrandBrontix
ModelBrontix FN-6403 Ultra
Size120 × 120 × 25 mm
Speed400–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-5913 Core 120mm PWM Case Fan452$19Compare
Zephyra FN-5250 SE 120mm PWM ARGB Case Fan (3-Pack)885$29Compare
Corvane FN-7421 Max 120mm PWM ARGB Case Fan1,235$39Compare
Brontix FN-1866 Max 120mm PWM ARGB Case Fan1,400$49Compare
Corvane FN-7084 SE 120mm PWM Case Fan479$19Compare
Caldera FN-9163 Prime 120mm PWM Case Fan511$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-6403 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/11549489 (accessed 2026-10-26).