What is the difference between these SSD's

Backtothere

Honorable
Dec 13, 2013
305
0
10,780
- Kingston Technology 120GB Solid State Drive 2.5-inch V300 SATA 3 with Adapter
- SanDisk SDSSDP-128G-G25 128GB SATA 6GB/s 2.5 Inch Internal SSD
- Samsung 840 EVO 120GB 2.5 inch Basic SATA Solid State Drive

Besides the price
and which would you get