Hardware Spec Index

Brontix FN-6857 XT 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN6857-XT · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index453 (Case Fans scale)
Category rank#15,844
Street price$19
Power4 W
Performance per dollar23.84
Released2021

Specifications

BrandBrontix
ModelBrontix FN-6857 XT
Size140 × 140 × 25 mm
Speed500–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6857 XT 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/21313303 (accessed 2026-10-20).