Understanding Computer Storage Devices

Front

Hard Disk Drive (HDD)

Back

Magnetic storage, spinning disks, mechanical parts

Front

Solid State Drive (SSD)

Back

Flash memory, no moving parts, faster than HDD

Front

USB Flash Drive

Back

Portable, flash memory, USB interface

Front

Optical Disc

Back

CD, DVD, Blu-ray, laser reading

Front

Cloud Storage

Back

Internet-based, remote servers, scalable

Front

NAS (Network Attached Storage)

Back

Network-connected, file sharing, multiple users

Front

Tape Storage

Back

Magnetic tape, archival, sequential access

Front

SD Card

Back

Flash memory, portable, used in cameras

Front

RAID (Redundant Array of Independent Disks)

Back

Data redundancy, performance improvement, multiple disks

Front

eMMC (Embedded MultiMediaCard)

Back

Flash storage, integrated circuit, used in mobile devices