Smart Defrag 4 Review + settings

Smart Defrag 4, a FREE, light, and stable disk defragment tool designed for maximum hard drive performance, introduces Boot Time Disk Defrag to get up to 100% faster PC startup by intelligently streamlining your files based on using frequency, thus accelerating disk speed for faster data access! The newly added SSD Defrag will significantly improve the access speed of SSDs and expand its useful life. With Game Defrag, users can also manually add the games to the Smart Defrag 4 to be defragged separately from the complete storage drive defrag, for top gaming performance. Being the first Disk Defragmenter that fully supports Windows 8/8.1 Metro Apps, Smart Defrag 4 works fast, automatically and quietly in the background and it is a disk defragmenter suitable for large hard drives.


  • Secure Disk Defragmenter with Smart Defragment & Optimization
  • Maximum Hard Drive Performance for Higher Data Access Speed
  • Faster & Automatic Defragmentation for More Disk Space
  • Guaranteed Data Safety and Disk Stability



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  •  You should un-tick “automatic defrag” if you think it is slowing down the computer. Automatic defrag starts defragmenting the files if the system is left idle for certain amount of time.

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  • Defrag and Fully optimize is the best option to choose.

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  • You may want to untick “Load automatically at windows startup”


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  •  You may  set “start automatic defrag when system idle time exceeds” to “10 minutes”
  • Set “defragment when fragmentation rate exceeds” to “3%” or higher


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  •  Turn ON schedule defrag
  • Set action to “Defrag and fully optimize”
  • Tick the Volume which you want to defrag
  • Schedule it run once a week


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  • Choose the time and day when you want schedule defrag to start


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