How much time does BlackBerry erasure take?

Erasure times for BlackBerry are the following:

• BlackBerry OS erasure: 3-15 minutes
• BlackBerry OS advanced erasure: 20-90 minutes. This erasure method includes Security Wipe and scrubbing. More info on Content Protection and scrubbing: http://support.blackberry.com/kb/articleDetail?articleNumber=000010313&linkId=18672787%22