Solved Is Mid 2015 Retina Ssd Compatible With My Mac Macbook Pro 15 Retina Display Late 2013

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Hi, I’m using Late-2013 MacBook Pro 15" Retina (Harswell processor). According to tech spec of the new Mid-2015 MacBook Pro 15" Retina (Froce touch trackpad version), it has nearly 2.5x faster SSD in it. I wanna know is it compatible with my MacBook Pro 15" Retina version or not. Thank you.

Sadly, no. The way Apple did this was to add I/O lanes. The older PCIe SSD had 2 lanes the newer model offers 4 lanes. The M.2 interface offers the ability to support 16 lanes. But the logic within the system needs to support these lanes. Basically the older systems can’t.

Hi, I wanted to understand this . So would the 2015 drive atleast work with the 2013 machine (at the older 2013 speeds) or is it completely incompatible .Thank you so much. You would clear up a lot of my confusion. :)