Hardware Spec Index

Brontix FN-4770 Plus 140mm PWM Case Fan

Case Fans · Brontix · SKU FN4770-PLUS · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index380 (Case Fans scale)
Category rank#12,031
Street price$9
Power3 W
Performance per dollar42.22
Released2020

Specifications

BrandBrontix
ModelBrontix FN-4770 Plus
Size140 × 140 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise23 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4770 Plus 140mm PWM Case Fan”, https://vextor7.com/item/3610091 (accessed 2026-10-23).