Terabyte (TB)
The terabyte is a unit of data, used for external hard drives, NAS storage, database sizes, and cloud storage quotas. Its symbol is TB.
TB
GB
1 terabyte equals
| Gigabytes | 1,000 GB |
| Megabytes | 1,000,000 MB |
About the terabyte
The terabyte became commercially relevant in the 2000s. The first 1 TB consumer hard drive was released by Hitachi in 2007.
In everyday use the terabyte appears in external hard drives, NAS storage, database sizes, and cloud storage quotas. As a point of reference: 1 terabyte can store about 250,000 photos or 500 hours of HD video.