I've had 2 Samsung SSDs (840 pro and and 805/Evo) in my MacBook Pro. But due to an upgrade have a new retina model with no internal SATA. Now I need to erase these drives so that I can sell them - but ...
If the drive is relatively newish, it should support the ATA Secure Erase function. If so, use the manufacturer utility or another utility that supports ATA Secure Erase and it will wipe the drive ...