Hardware Spec Index

Brontix FN-3874 Pro 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3874-PRO · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index683 (Case Fans scale)
Category rank#13,499
Street price$19
Power3 W
Performance per dollar35.95
Released2026

Specifications

BrandBrontix
ModelBrontix FN-3874 Pro
Size140 × 140 × 25 mm
Speed200–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise32 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3874 Pro 140mm PWM Case Fan”, https://vextor7.com/item/2199181 (accessed 2026-10-20).