It is a free disk defragmenter and optimizer for Microsoft Windows® with high technology that aims to rearrange the fragments of files on disk, to be continuously and in order, so that the performance and search speed of the disc increases. Besides defragmenting the disk, Quicksys Disk Defrag has a system called QSICA (Quicksys Intelligent Clusters Allocation) for clusters optimization.
Портативная версия программы-дефрагментатора жёстких дисков, использующей в своей работе собственную интелектуальную систему покластерной дефрагментации - QSICA (Quicksys Intelligent Clusters Allocation). Поддерживаются файловые системы NTFS, FAT16, FAT32 а также, кроме жёстких дисков и любые сменные носители. Программа имеет гибкую систему настроек.

Main Features of Disk Defrag
* It supports formatting NTFS (New Technology File System), FAT16 (File Allocation Table) and FAT32.
* Defragments the files on disk.
* Optimizes the files on the disk using the technology QSICA.
* Fast defragmentation and optimization.
* Works on any type of removable disk - floppy disks, USB (pen-drives), memory cards and so on.
* There is a minimal possibility of file corruption (Based on the standard defragmentation API by Microsoft).
* 15% of free space is not required

Additional Features
* Dynamic graphical display.
* Custom drive map colors.
* Possibility to ignore large files.
* Possibility to ignore determined files and/or folders.
* Possibility to schedule disk defragmentation or optimization.
* Supports parameters.
* Show detailed information about the partitions.

Benefits
* Increase in performance in the access of files.
* Increase the life span of disk.
* Maximum prevention fragments of files due to new technology QSICA.
* Reduction of time needed to boot the computer.

Minimum Requeriments
* Windows® 2000, 2003, XP, Vista, 2008 and Seven.
* Windows 32-bits and Windows 64-bits.
* Processor 300 MHz.
* 3 MB free disk space.
* 256 MB RAM