Their storage capacity - up to 256 GB - equals that of many backup tapes (200 GB for example).
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(This would probably be beyond most budgets:
http://www.cfgear.com/what-is-the-biggest-usb-flash-drive/ )
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With USB 3.0, backup and restore could be very rapid.
Why can't we use them as a target for Windows Server Backup operations?
Unless something has changed (and maybe it has), we are limited to:
1. External hard drive (with nothing else on if we want to run scheduled backups to that drive).
2. Network target (shared folder on another server somewhere else).
3. DVD (given that maximum capacity is just under 10GB, this option is next to useless).
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