Hardware Spec Index

Brontix FN-4640 Max 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4640-MAX · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index329 (Case Fans scale)
Category rank#26,347
Street price$9
Power3 W
Performance per dollar36.56
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4640 Max
Size120 × 120 × 25 mm
Speed200–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-5621 SE 120mm PWM ARGB Case Fan (3-Pack)872$29Compare
Corvane FN-1857 Ti 140mm PWM ARGB Case Fan1,102$39Compare
Caldera FN-5641 Pro 140mm PWM ARGB Case Fan817$29Compare
Brontix FN-1305 Plus 120mm PWM Case Fan246$9Compare
Zephyra FN-7335 Core 120mm PWM ARGB Case Fan1,071$39Compare
Caldera FN-4933 Edge 140mm PWM Case Fan (3-Pack)481$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-4640 Max 120mm PWM Case Fan”, https://vextor7.com/item/92325649 (accessed 2026-10-22).