Hardware Spec Index

Brontix FN-4045 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4045-ULTRA · Released 2026 · Updated 2026-10-26

Key facts

Benchmark index334 (Case Fans scale)
Category rank#30,889
Street price$9
Power3 W
Performance per dollar37.11
Released2026

Specifications

BrandBrontix
ModelBrontix FN-4045 Ultra
Size120 × 120 × 25 mm
Speed300–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 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-7860 Core 120mm PWM Case Fan645$19Compare
Teralux FN-5800 Prime 140mm PWM ARGB Case Fan1,308$49Compare
Teralux FN-3772 Edge 120mm PWM ARGB Case Fan848$29Compare
Teralux FN-5191 Pro 140mm PWM Case Fan333$9Compare
Corvane FN-8837 Pro 120mm PWM ARGB Case Fan (3-Pack)1,130$39Compare
Brontix FN-8221 Plus 140mm PWM Case Fan264$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-4045 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/6499057 (accessed 2026-10-26).