Selling SSDS securing data

[smogsy]

So im going to sell my 2x 128GBs & buy some bigger ones

so my Layout will be
3x256GB
1x 1TB

most likely

whats the best way to wipe my data but not destory the drive?

 

[KIA]

http://www.makeuseof.com/tag/securely-erase-ssd-without-destroying/

http://www.majorgeeks.com/files/details/parted_magic.html - Use the MajorGeeks download location.