Hardware Spec Index

Brontix FN-5251 Prime 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN5251-PRIME · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index1,035 (Case Fans scale)
Category rank#16,081
Street price$29
Power3 W
Performance per dollar35.69
Released2026

Specifications

BrandBrontix
ModelBrontix FN-5251 Prime
Size140 × 140 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise23 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5251 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/3344732 (accessed 2026-10-21).