Test Group B is an in-depth test of the platform’s storage client DriveShare , a software that enables users to earn money by sharing extra hard drive space. The Storj Test Group B has reached 1,173 terabytes in storage space and currently supports 293 users online.
So about 4 terabytes per user, not bad. The average will probably be a little lower on SAFE due to more casual farmers.
Can’t wait until SAFE reaches it’s first Exabyte! Though we’ll probably never know when exactly we reach that milestone, since we can only estimate total capacity, not measure it (due to the distributed nature of SAFE).