Disk Copy 2.3 is a potent freeware providing sector to sector disk/partition copy regardless of your operating system, file systems and partition scheme. EASEUS Disk Copy can be used for backup, cloning, or upgrading your original small hard drive to a new larger drive. Major Features: 1. Copy and back up data between your hard drives. 2. Data clone (compatible with all hard drives). 3. Sector to sector copy. 4. Works with pure freedos operating systems. 5. Safe, simple and fast! New Features: 1. Friendly graphical user interface. 2. Supports SATAI, SATAII, SCSI, Fire wire (IEEE1394) and USB. 3. Supports Partition Copy. 4. Relay disk space for insufficient destination. 5. Supports inaccessible disk copy. 6, Support hard disks up to 1 TB. Easeus Todo Backup additional Features: 1.Backup to image 2.Restore backup image 3.Fast (file-by-file disk copy) 4.Support Hard RAID 5.Run in Windows environment