Hardware Spec Index

Brontix FN-4070 Pro 140mm PWM Case Fan

Case Fans · Brontix · SKU FN4070-PRO · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index467 (Case Fans scale)
Category rank#2,967
Street price$19
Power3 W
Performance per dollar24.58
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4070 Pro
Size140 × 140 × 25 mm
Speed300–2,000 RPM (PWM)
Airflow96.0 CFM
Static pressure1.90 mmH₂O
Noise26 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-8859 Max 120mm PWM Case Fan653$19Compare
Corvane FN-2290 Core 120mm PWM Case Fan623$19Compare
Zephyra FN-8439 Prime 140mm PWM ARGB Case Fan1,001$39Compare
Corvane FN-1532 Ti 120mm PWM ARGB Case Fan896$29Compare
Caldera FN-4426 Core 140mm PWM Case Fan332$9Compare
Brontix FN-2239 Max 140mm PWM ARGB Case Fan (3-Pack)1,224$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-4070 Pro 140mm PWM Case Fan”, https://vextor7.com/item/5845111 (accessed 2026-10-26).