Drive

1. SSD

1.1. type

1.1.1. M.2

1.1.1.1. B key SATA

1.1.1.2. M key PCI-E

1.1.1.3. B & M key both

1.1.2. 2.5 inch

1.2. constituent

1.2.1. NAND flash

1.2.1.1. plane

1.2.1.1.1. 2048block

1.2.1.2. function

1.2.1.2.1. read, write, edit, delete

1.2.2. controller

1.2.2.1. function

1.2.2.1.1. error check and correcting

1.2.2.1.2. wear leveling

1.2.2.1.3. Bad block mapping

1.2.2.1.4. Read disturb management

1.2.2.1.5. cache control

1.2.2.1.6. recycle

1.2.2.1.7. encryption

1.2.2.1.8. multi-channel access

1.2.3. PCBA

1.3. performance

1.3.1. fast transmission

1.3.2. light build

1.3.3. quiet

1.3.4. low capacity

2. HDD

2.1. constituent

2.1.1. magnetic disk

2.1.2. motor

2.1.3. read-write head

2.1.4. base

2.2. performance

2.2.1. high capacity

2.2.2. afraid of shaking