Hardware Spec Index

Brontix FN-5665 Pro 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN5665-PRO · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index1,165 (Case Fans scale)
Category rank#39,256
Street price$49
Power3 W
Performance per dollar23.78
Released2023

Specifications

BrandBrontix
ModelBrontix FN-5665 Pro
Size120 × 120 × 25 mm
Speed300–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise28 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
Brontix FN-8540 Ti 120mm PWM Case Fan434$19Compare
Zephyra FN-4655 Core 140mm PWM ARGB Case Fan1,033$39Compare
Brontix FN-3643 Prime 120mm PWM ARGB Case Fan921$29Compare
Caldera FN-8201 SE 140mm PWM Case Fan398$19Compare
Caldera FN-8983 Edge 120mm PWM ARGB Case Fan1,223$49Compare
Teralux FN-3274 Edge 120mm PWM ARGB Case Fan1,371$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-5665 Pro 120mm PWM ARGB Case Fan”, https://vextor7.com/item/444465 (accessed 2026-10-20).