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Comparison Chart System Requirements
Faster PC Performance
Automatic background defragmentation
Customizable scheduling options
Patented file placement technology
Boot time system file defragmentation
Microsoft Certified for Windows 7
Enhance photo and video editing experience
Automatic background defragmentation
Experience faster browsing & music downloads

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SMARTPlacement TM - A Smarter Defrag
PerfectDisk ® 12's patented SMARTPlacement TM ® is an intelligent file placement strategy that organizes files according to usage patterns and eliminates most fragmentation before it happens. It also results in faster defrag passes, quicker boot times, slower refragmentation, reduced resource consumption and improved overall performance.

Optimized Boot Files
Experience faster system boot times with our proprietary boot file optimization. Improve boot time by 20% or more.

Full Automatic Defrag
Defrag when your system has idle resources and maintain efficiency. Runs when it needs to without continuously using resources.

Selected Files Defrag
In a hurry or have a few heavily fragmented files? Only defrag the files that you select.

Robust Free Space Consolidation
Speed up disk writes and slow refragmentation with PerfectDisk's ® patented SMARTPlacement TM optimization strategy and exclusive single-pass free space consolidation that delivers the largest blocks of free space possible.

Flexible Scheduling
PerfectDisk® runs when you want it to - daily, weekly or in screen-saver mode.
PerfectDisk ® 12 VS. the Competition
    PerfectDisk ® 12 Diskeeper ® 2011 O&O 14
  Optimize SSDs    
  Background Defrag  
  Advance Scheduling    
  Household License    
  Pricing $29.99 $49.99 $39.99

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PerfectDisk and SMARTPlacement are trademarks or registered trademarks of Raxco Software, Inc.

All other trademarks or trade names are the property of their respective owners
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“With superior enterprise abilities and a shell that will please users of all levels, PerfectDisk ® provides a complete and compelling defrag solution.”

— PC Magazine

“For extreme situations and much more complete defragmentation, PerfectDisk ® is the clear winner.”

— Computerworld


Windows 7 and Windows Vista (includes both x86 and x64), Windows XP Home & Pro.

FAT16 / FAT32 / NTFS / exFAT / Flash / USB / SSD Drives

SAN/RAID/Mirrored Disks/Letter-less Drives