How fast can eraseyourharddrive.comSM wipe a drive?
This depends on the hardware involved, hard drive interface and speed, system RAM, wipe method, etc. However, on most current hardware, the average speed for writing all zeroes to the hard drive is 2 GB/minute. The average speed for the Department of Defense specifications 5220.22-M method is 600 MB/minute, with similar results from the NSA methods. Using the Department of Defense specifications 5220.22-M method with maximum passes results in an average speed of 250 MB/minute.