# Droplet Transfer prefix using binary or decimal notation?

Is the "TB" Transfer listed on droplet pricing meant to represent the decimal notation for terra (10^12 or 1000^4), or the binary notation (1024^4)?

More simply does 3 TB mean

3,000,000,000,000 bytes

or

3,298,534,883,328 bytes

The second being more appropriately labeled as 3 TiB (or Tebibytes).