Hardware Spec Index

Brontix FN-2857 XT 140mm PWM Case Fan

Case Fans · Brontix · SKU FN2857-XT · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index555 (Case Fans scale)
Category rank#1,471
Street price$19
Power3 W
Performance per dollar29.21
Released2026

Specifications

BrandBrontix
ModelBrontix FN-2857 XT
Size140 × 140 × 25 mm
Speed400–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-2857 XT 140mm PWM Case Fan”, https://vextor7.com/item/3510056 (accessed 2026-10-25).