Hardware Spec Index

Teralux FN-5540 Ultra 140mm PWM Case Fan

Case Fans · Teralux · SKU FN5540-ULTRA · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index747 (Case Fans scale)
Category rank#11,138
Street price$19
Power4 W
Performance per dollar39.32
Released2025

Specifications

BrandTeralux
ModelTeralux FN-5540 Ultra
Size140 × 140 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-5540 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/998332 (accessed 2026-10-20).