According to http://setiathome.ssl.berkeley.edu/cacm/cacm.html a work unit is 350K. 189,598,882 work units at 350K per is roughly 61.8 TB (base 2). Also according to that paper, they released the first Windows and Mac clients in May of 1999. Assuming they started shipping tapes at the same time they released the client, they've been shipping tapes for roughly 4 years and 1 month. 61.8 TB over that time is a little over 298 GB/week, which would be the equivalent of just over 4 Mbits/second contantly over that 4+ years.
Slashdot Mirror
15k drives use platters between 2.5 and 2.75 inches afaik, meaning a speed of 111-122 mph.
According to http://setiathome.ssl.berkeley.edu/cacm/cacm.html a work unit is 350K. 189,598,882 work units at 350K per is roughly 61.8 TB (base 2). Also according to that paper, they released the first Windows and Mac clients in May of 1999. Assuming they started shipping tapes at the same time they released the client, they've been shipping tapes for roughly 4 years and 1 month. 61.8 TB over that time is a little over 298 GB/week, which would be the equivalent of just over 4 Mbits/second contantly over that 4+ years.