Cooler Master MWE Gold 550 V2 550W Fully Modular PSU from China

Reliable 550W 80+ Gold certified power supply unit designed exclusively for PC builds under heading 8471. Falls under HTS 8504.40.70.12 as it converts AC to DC power (150-500W range) for automatic data processing equipment. Includes silent 120mm fan, full modularity, and Japanese main capacitor for longevity.

Duty Rate — China → United States

35%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

Import Tips

Document ATX 24-pin, EPS 8-pin connectors as evidence of ADP compatibility vs general purpose adapters

Avoid bulk packaging without retail boxing; classified as parts if shipped component-style

UL/CSA safety certifications mandatory; provide CB scheme test reports for faster clearance