Hardware Spec Index

Teralux FN-4640 Prime 140mm PWM Case Fan

Case Fans · Teralux · SKU FN4640-PRIME · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index714 (Case Fans scale)
Category rank#35,678
Street price$19
Power3 W
Performance per dollar37.58
Released2025

Specifications

BrandTeralux
ModelTeralux FN-4640 Prime
Size140 × 140 × 25 mm
Speed300–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4640 Prime 140mm PWM Case Fan”, https://vextor7.com/item/5884593 (accessed 2026-10-24).