Non-volatile storage

Non-volatile storage is a category of Computer storage. Unlike Volatile storage, it doesn't require power to retain stored data.

Storage devices in this category include:

• CD, CD-ROM, CD-R, CD-RW
• DVD
• BD-ROM[?], BD-R[?], BD-RE[?]
• Floppy disk
• Hard disk
• Magnetic tape
• Paper tape
• Punch card
• ROM
• NVRAM