Hardware Spec Index

Brontix FN-4945 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4945-ULTRA · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index632 (Case Fans scale)
Category rank#3,521
Street price$19
Power3 W
Performance per dollar33.26
Released2022

Specifications

BrandBrontix
ModelBrontix FN-4945 Ultra
Size120 × 120 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-2227 Ultra 140mm PWM Case Fan574$19Compare
Brontix FN-1364 Ti 120mm PWM Case Fan686$19Compare
Brontix FN-2875 Ti 120mm PWM ARGB Case Fan1,025$29Compare
Corvane FN-5549 SE 120mm PWM Case Fan746$19Compare
Corvane FN-3754 Pro 120mm PWM ARGB Case Fan (3-Pack)1,331$39Compare
Caldera FN-8572 Prime 140mm PWM Case Fan (3-Pack)763$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-4945 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/8568064 (accessed 2026-10-26).