PerfectDisk®The gold standard in disk defragmentation.
PerfectDisk® Version 7.0 delivers speed, thoroughness, and ease-of-use for all Windows® home, small business, and large enterprise users. The only disk defragmenter certified by Microsoft® for Windows 2000 and Windows Server® 2003, PerfectDisk is designed for today's largest disk drives. If you are serious about disk defragmentation, optimization, and free space consolidation, you'll find PerfectDisk meets your high demands and requirements.