Hardware Spec Index

Teralux FN-4657 Pro 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN4657-PRO · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index1,188 (Case Fans scale)
Category rank#34,064
Street price$39
Power3 W
Performance per dollar30.46
Released2025

Specifications

BrandTeralux
ModelTeralux FN-4657 Pro
Size140 × 140 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise29 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4657 Pro 140mm PWM ARGB Case Fan”, https://vextor7.com/item/19635405 (accessed 2026-10-22).