Storage

1. Hard Disks

1.1. RAID

1.1.1. external hard disk

1.1.2. removable hard disk

1.1.3. miniature sizes

1.2. network attached storage

2. Flash Memory Storage

2.1. Solid state drives

2.2. memory card

2.2.1. CompactFlash ( CF)

2.2.2. Secure Digital ( SD)

2.2.3. Secure Digital High Capacity (SDHC)

2.2.4. microSD

2.2.5. microSDHC

2.2.6. xD Picture Card

2.2.7. Memory Stick

2.2.8. Memory Stick Micro (M2)

2.3. USB flash drives

2.4. ExpressCard module

3. Cloud Storage

4. Optical Discs

4.1. CD

4.1.1. CD‐ROM

4.1.2. CD‐R

4.1.3. CD‐RW

4.2. DVD

4.2.1. DVD‐ROM

4.2.2. Blu‐ray Disc‐ROM

4.2.3. DVD‐RW, DVD+RW

5. Other Types of Storage

5.1. Tape

5.2. magnetic stripe card,smart card

5.3. Microfilm and microfiche