The built-in defrag as well as the others mentioned in this thread are a reactive approach to fragmentation and provides a temporary solution to an on-going problem. Just because you defrag your PC, doesn’t mean the problem has been solved. The minute you finish running your defrag, your PC will once again start accumulating increasingly more fragmentation with each and every use, so you feel like you are fighting a losing battle.
It also means that your PC is wasting resources by first writing fragmented files to your hard drive, and then requiring the defrag engine (built-in or other defrag only solution) to go to work locating and consolidating your files so that they that they are contiguous. This reactive, after-the-fact approach to fragmentation still leaves you vulnerable to an unreliable and slow performing PC.
The ideal solution is fragmentation prevention. Implemented as a proactive solution it provided a more complete solution that keeps your disk performing at optimum speeds at all times. Diskeeper is unique as it combines the best of both worlds by automatically handling any fragmentation that is already hurting your disk performance, and combining that with a fragmentation prevention technology that stops future fragmentation before it happens.
When your files are written to the disk contiguously (without fragmentation) rather than scattered across your disk, your PC doesn’t have to work as hard to read or write your files. Plus as an added bonus, the reduction in disk activity actually extends the life of your hard drive by an additional 1-3 years - saving you money in replacement costs.
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