It has a “Safe Intelligence” technology that can assure the health of your disk by deciding When and How to execute defragmentation. Guaranteed Data Safety and Disk Stability: Unlike other “Automated” Defragmenters, Smart Defrag 5 does NOT constantly perform analysis and defrag, which damages your hard drive and shortens its life.

Always-on Automatic Defragment: The program works automatically and quietly in the background, so it continually and constantly keeps your computer fragment-free.It also streamlines your file system, and places the frequently used files and directories into the fastest area of the disk, enabling your computer to run at top speed with the most stability. Designed for Top Disk Performance: The program doesn’t just provide simple defragmentation.It’s been specially designed for modern, large hard drives, which eliminates the long waiting time. Extremely Fast and Efficient Defragmentation: Using IObit’s latest defrag engine and the new “Boot Time Defrag” technology, Smart Defrag 5 has not only the world’s fastest defragmenting speed but also the most advanced defragmenting ability.Expanded database of Disk Cleanup to free up more disk space.Based on IObit’s latest disk defrag engine and “Boot Time Disk Defrag” technology, Smart Defrag 5 is created with the world’s leading defragmentation ability. The Disk Defragmenter accelerates the whole system with fast and efficient disk defragment.

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