Hardware Spec Index

Brontix FN-3857 XT 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3857-XT · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index1,105 (Case Fans scale)
Category rank#46,111
Street price$29
Power3 W
Performance per dollar38.10
Released2023

Specifications

BrandBrontix
ModelBrontix FN-3857 XT
Size120 × 120 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise36 dBA
BearingMagnetic levitation
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
Zephyra FN-1183 Core 120mm PWM ARGB Case Fan1,285$49Compare
Zephyra FN-4759 Edge 120mm PWM Case Fan268$9Compare
Zephyra FN-5596 SE 140mm PWM Case Fan (3-Pack)685$19Compare
Caldera FN-7731 Core 120mm PWM ARGB Case Fan1,206$39Compare
Teralux FN-2283 Max 140mm PWM Case Fan655$19Compare
Caldera FN-6992 Edge 140mm PWM ARGB Case Fan846$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-3857 XT 120mm PWM ARGB Case Fan”, https://vextor7.com/item/10293186 (accessed 2026-10-26).