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
• Flash memory
• EEPROM
• EPROM