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Model A1502 / 2.6 GHz (Turbo Boost up to 3.1 GHz) or 2.8 GHz (Turbo Boost up to 3.3 GHz) dual-core Intel Core i7 processor with 4MB shared L3 cache.

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Can I fit 655-1803D SSD into MBP 13" Mid-2014?

I have a Macbook Pro 13" MGX72LL/A, A1502 (EMC 2875) with 128GB Sandisk SSD - part number 655-1837D

I am trying to replace it with a 256GB Samsung SSD (part number 655-1803D) - MZ-JPU256T/0A6 originally shipped with Macbook Airs 2013,2014,2015. Is the Samsung SSD firmware compatible?

When I fitted it in, the disk got detected, smart status showed that everything was OK, however when trying to format it, it showed disk IO errors. Is this related to firmware incompatibility or the disk is simply gone?

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When you go into About This Mac... > System Report> Under SATA/SATA Express what do you see? Paste a screenshot so we can see it as well. If you still have your Samsung SSD give it a try as well. Something should pop out as being different.


Hi Dan,

There is no "About this Mac" menu in Recovery mode. Basically the Samsung SSD is empty and I am trying to install OS X on it.




Thanks I will try that this weekend.


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You'll need to use a bootable external USB or Thunderbolt drive. Or, connect to a second Mac system in Target Mode, here you can't read the drive but you could run Disk Utilities to check the drive.

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I would completely reformat the drive in Target Mode. Then when you start up do an internet installation.


@mayer - I'm not sure he has the correct SSD unit. This SSD maybe a two lane PCIe unit vs a four lane PCIe unit.


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