Hardware Spec Index

Teralux FN-4221 XT 140mm PWM Case Fan

Case Fans · Teralux · SKU FN4221-XT · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index500 (Case Fans scale)
Category rank#43,830
Street price$19
Power3 W
Performance per dollar26.32
Released2025

Specifications

BrandTeralux
ModelTeralux FN-4221 XT
Size140 × 140 × 25 mm
Speed400–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise26 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4221 XT 140mm PWM Case Fan”, https://vextor7.com/item/9056255 (accessed 2026-10-26).