On the Lenovo website, I'm building a P50, and I no drive selected for "first hard disk drive," but I have a 256GB SATA3 OPAL 2.0 for "second hard disk/first solid state" option. Then there's an option for a "second solid state" which I can check, also a SATA3 OPAL 2.0
The SATA3 OPLA 2.0 is a...