Hardware Spec Index

Teralux FN-4050 Ultra 140mm PWM Case Fan

Case Fans · Teralux · SKU FN4050-ULTRA · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index321 (Case Fans scale)
Category rank#25,665
Street price$9
Power4 W
Performance per dollar35.67
Released2025

Specifications

BrandTeralux
ModelTeralux FN-4050 Ultra
Size140 × 140 × 25 mm
Speed300–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4050 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/21490635 (accessed 2026-10-22).