Hardware Spec Index

Brontix FN-4540 Ultra 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4540-ULTRA · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index1,378 (Case Fans scale)
Category rank#49,162
Street price$49
Power3 W
Performance per dollar28.12
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4540 Ultra
Size140 × 140 × 25 mm
Speed400–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise30 dBA
BearingRifle bearing
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
Caldera FN-2422 Edge 120mm PWM Case Fan (3-Pack)781$19Compare
Brontix FN-8054 Ultra 140mm PWM Case Fan499$19Compare
Brontix FN-2344 Core 120mm PWM Case Fan536$19Compare
Corvane FN-8785 Prime 120mm PWM ARGB Case Fan846$29Compare
Zephyra FN-8806 Max 120mm PWM ARGB Case Fan919$29Compare
Corvane FN-8430 Core 140mm PWM ARGB Case Fan1,227$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-4540 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/14218685 (accessed 2026-10-24).