Hardware Spec Index

Brontix FN-5681 Plus 140mm PWM Case Fan

Case Fans · Brontix · SKU FN5681-PLUS · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index501 (Case Fans scale)
Category rank#24,714
Street price$19
Power3 W
Performance per dollar26.37
Released2022

Specifications

BrandBrontix
ModelBrontix FN-5681 Plus
Size140 × 140 × 25 mm
Speed300–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise23 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5681 Plus 140mm PWM Case Fan”, https://vextor7.com/item/16600628 (accessed 2026-10-25).