Check the listing for details. IObit Smart Defrag 11 - 3 PC 1 Year - [Download]. Condition: Brand New, Made in Germany. Listed at 27.12 USD. Smart Defrag is a reliable, powerful, and user-friendly disk optimiser designed to improve hard drive performance. It intelligently organises your files based on how frequently they are accessed, helping to speed up data retrieval and extend the lifespan of your drive, whether it is an HDD or an SSD. With its advanced IObit disk defrag engine, Smart Defrag significantly improves the read and write speeds of HDDs, enhancing access speed and overall performance. This makes the process of optimising HDDs simple and efficient. As SSDs become increasingly popular, maintaining them properly is essential. Smart Defrag uses industry-leading technology for SSD trimming, helping to extend the lifespan of your solid-state drives while maintaining optimal performance. Some fragments cannot be defr.