By Media Type

Hard Disk Drive / SSD Drive

Removable/Portable Media

Floppy / Zip / CD/DVD

Memory Card / Flash Drive

External Drive

Data Tape

RAID (0, 1, 5, 6, 10, 50, 60 and any other type)

Virtual Drive

VHD / VHDX / VMDK and Others

Database

SQL (MS-SQL, My-SQL Etc.)

Oracle

QuickBooks

PST / Exchange EDB

Other RDBS and Non-RDBMS Databases

By System Type

Laptop

Desktop/Workstation

Server

NAS /SAN

CCTV DVR

Mobile Phone

Tablet

Portable Music Player

Digital Camcorder

Digital Voice Recorder

By File System

Unix/Linux Type

EXT/EXT2/EXT3/EXT4

HP-UX / AIX / SGI/XFS / UFS/UFS2 / ZFS / ReiserFS

Windows Type

NTFS/NTFS5

FAT/FAT32/ExFat

REFS

Apple Type

HFS/HFS+ / APFS

ExFAT

Other File Systems

NSS / Novel Netware

WAFL

DTFS / BTFS / EAFS / HTFS / Xenix / Unixware