PerfectDisk®

PerfectDisk Professional is designed to offer high quality defragmentation for your volumes with as little strain as possible on the system. It features patented optimization methods that place the files on the disk in order to provide the highest performance possible.

• Automatic background defragmentation
  Boot time system file defragmentation
  BlockViewer to see contents of each block
  Duplicate file remover and file recycler
  Advanced SMARTPlacement
  Selected Files Defrag
  Robust Free Space Consolidation
  Space Management Reports
  Reclaim Free Space
  Flexible Scheduling

• InfoWorld -- Truly awesome tools for Windows 7 power users (Windows 7 defrag included)