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Torrent Limits: Downloading of more than one torrent at a time is limited by the following parameters:

Total uploaded amount is < 5 GB and your ratio is:
< 0.750 = 3 torrents
< 1.000 = 4 torrents

1.000 = 5 torrents

Total uploaded amount is < 10 GB and your ratio is:
< 0.350 = 3 torrents
< 0.750 = 4 torrents
< 1.000 = 5 torrents

1.000 = 6 torrents

Total uploaded amount is < 25 GB and your ratio is:
< 0.350 = 3 torrents
< 0.750 = 5 torrents
< 1.000 = 6 torrents

1.000 = 10 torrents

The above limitations remain in effect for all accounts with User Status and a total uploaded amount greater than 40 GB. Once Power User status has been achieved, the following limitations go into effect:

Total uploaded amount is > 25 GB and your ratio is:
< 0.750 = 7 torrents
< 1.000 = 8 torrents
> 1.000 = 15 torrents

Users who have donated to the site are limited to 20 torrents at one time.