This is the newest generation of SSD.
I bought the 128 GB SSD 4 months ago.It works perfect! I am selling it because I just bought a new SSD with larger volume during Black Friday Sale.
Amazon price: $91+tax
Selling price: $60
Amazon link:
http://www.amazon.com/gp/product/B00LF10L02?keywords=samsung%20ssd%20850%20pro&qid=1449394690&ref_=sr_1_6&s=pc&sr=1-6
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