O&O Defrag Pro 专为Windows平台设计的专业碎片整理工具。不仅拥有众多用户群体，而且屡获殊荣！新版本不仅在性能上显著提升，而且新型的Ribbon界面风格也给软件增色了不少。它不仅支持本地磁盘的碎片整理，而且可以对USB存储设备比如U盘、SD卡进行碎片整理。在整理过程中，O&O Defrag可以动态块形图片来显示碎片分布与整理进程。它支持同时整理多个磁盘与磁盘分区、支持设定计划任务自动整理，如果你正在工作，它可以默默的在后台为你整理，你会在不知不觉中感觉到系统性能已经提升！
O&O Defrag Pro 经典的五种磁盘碎片整理模式：
1、Stealth（后台整理）：系统资源占用少，耗费时间长，适用于大文件较多且可用空间较少的磁盘；
2、Space（空间整理）:速度快，整理效率高；此模式不会重组区块大小，意在提高剩余磁盘连续空间大小；
3、Complete/Name(完整整理/按名称)：按文件名重新组织文件；适用于文件变动不大的磁盘；
4、Complete/Modified：（完整整理/按修改时间）以文件修改时间排序来重组文件；意在提高磁盘写入性能；
5、Complete/Access：（完整整理/按访问时间）按文件最后访问时间排序文件，意在提高磁盘读取性能。
O&O Defrag Professional 17 x86/x64 | 25.1/28.8 MB
Do not wait too long! If you work on computers a lot, then slow system and program starts, endless rendering and memory processes, or even system crashes when playing can quickly ruin your enjoyment. Defragmenting your PC can hugely accelerate the speed you can work on your PC. When you defragment, those files fragmented across the hard disk are logically rearranged so that files can be quickly recognized and processed by the hardware. Performance gains of up to 100% are not uncommon!
You can now see what the program does for your system thanks to graphics and statistics, which give you a before-and-after Defrag contrast!
Deleting free space on hard disks
Privacy in capital letters: O&O Defrag 17 can also be used for deleting free space on hard disks. This prevents traces of confidential data left over from partially-deleted or temporary files from falling into the hands of any strangers. Simply let O&O Defrag 17 Pro confidential data securely automatically after a defragmentation run.
Performance increases of up to 100%
A continuous sorting of files on hard disks means they can be read quicker by Windows, which in turn accelerates all the read and write accesses by up to 100%.
Shorter defragmentation times and faster system and program starts
With O&O Defrag 17, several drives can be defragmented simultaneously. In addition, the algorithms have been substantially accelerated, reducing the time required for a defragmentation by up to 40%. By using O&O Defrag, files can be read and written much more quickly. What at first seems to be lost performance can easily be rediscovered and realized again with O&O Defrag, giving you the peace of mind that your hardware is in good health and operating optimally.
Automatic defragmentation in the background
O&O Defrag works quietly in the background so that the defragmentation process does not disturb other tasks and has no negative performance impact on your systems.
Native optimization of virtual disks and Storage Area Networks (SAN)
Virtual machines are not just gaining popularity in the business world. That is why O&O Defrag 17 can now reduce and optimize the actual memory usage of virtual machines.
Manufacturer-independent optimization for SSDs
O&O Defrag makes it possible to optimize SSD drives through TRIM commands regardless of their manufacturer even under Windows XP and Vista. Access times for SSDs are sped up, and early wear and tear effects are prevented.
Systems: Windows® 8.1, 8, 7, Vista, XP
Home page – http://www.oo-software.com/home/en/
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