2 
1 Are MBA 2014 SSD and MBPr 2015 SSD exchangeable
I have a MacBook Air 2014 13" with 512GB SSD and have a MacBook Pro 2015 15" with 256GB SSD.
Looked up a little and noticed some questions about similar situations but there is none final answer on this.
PCIe M.2 interfaces are same on both devices, but Dan tells about a possible firmware difference.
If I could be sure then I will validate my warranty on MBPr to exchange two SSD.
Did anyone try this out? Thank you
Update (02/16/2016)
Hey Dan, I did check both devices for NVMExpess information. Interestingly they both reads this computer doesn't contain NVMExpress device. To be honest I am a little shocked even my 2015 MBPr 15" doesn't contain NVMExpress. OK so I think they are both members of first generation Pci-e Type SSD that Apple used on their devices, and are replaceable. Right?
Update (02/16/2016)
Thank you Dan, You are being very very helpful as usual. Here are the images of Sata/Sata Express information for both devices.
Update (02/16/2016)
More clear images
Bu iyi bir soru mu?
971 
4 Yorum
OK , so they are both 2 Lane PCIe. Now lets check the firmware look under SATA/SATA Express and paste them in for me to see.
Dan tarafından
Opps! The 1st image of the second set is messed up. Can you post a new one that we can read it.
Dan tarafından
Dan, Did you have a chance to check new images? I guess news are bad for me but I will give up when I hear the bad news from you :)
Anil tarafından
Sorry for the delay, I had to locate a system to double check. Sadly, they are not physically interchangeable.
Dan tarafından