Built to deliver 80 PLUS Bronze efficiency with up to 85% of it, the Smart BM2 series is available in 450W/550W/650W/750W. Constructed with a 140mm rifle bearing fan, Japanese main capacitors and other premium components, the Smart BM2 550W delivers a continuous and stable power output at 40℃, allowing near silent operation and reliable performance. With an ample 5-year warranty, the Smart BM2 550W is able to satisfy the market, where value-oriented users are looking for a new power supply with all the latest features.