1. (

• terabyte ,
• TB ,

) a unit of information equal to 1000 gigabytes or 10^12 (1,000,000,000,000) bytes ;

2. (

• terabyte ,
• tebibyte ,
• TB ,
• TiB

) a unit of information equal to 1024 gibibytes or 2^40 (1,099,511,627,776) bytes ;