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Difference between various Apple Samsung PCIe SSDs? MZ-JPV512x/0Ax ...

Can someone explain me the differences between the Samsung 512GB SSD Part Numbers

  • MZ-JPU512T/0A6
  • MZ-JPV5120/0A4
  • MZ-JPV512S/0A4

and post a complete list which specific MacBook and iMad models they are compatible with?

I came across What's the difference between MZ-JPV5120/0A4 and MZ-JPV512S/0A4?, which brings me to the conclusion that the number at the very end indicates the number of "lanes" (despite the chart there, no idea what this actually means). Other than that, I wasn't able to find much info.

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The chart was to show the person the complexity of the Apple custom blade SSD’s. As you can see you have three different versions the first which Apple used was a custom interfaced version of mSATA - SATA/AHCI (the far left) then Apple went with the PCIe/AHCI and now is using PCIe/NVMe. Both PCIe versions had 2 and 4 lane versions. And some PCIe/AHCI MacBook Pro’s & iMac’s also support PCIe/NVMe blades. Then to add to it Apple does not offer any information even to their support people other than Apple part numbers in their in-house documentation.

The custom Apple Samsung part numbers are quite confusing! As there is no rhyme or reason to the part number naming. On the most part I don’t use it to find what I need and when I take a SSD out I mark it so I don’t forget (the older ones which are not ID’ed at all).

While I fully understand your reasoning here that if I can ID what the code means I can hunt down on Amazon or eBay a good price for the one I’m looking for. The only thing Samsung has been consistent with its markings is the SSD’s size. The full part number and the sub part ID are all over the place and don’t denote the lanes.

To ID the type of drive on the newer ones I use the code thats after the drives size which I suspect is how Apple has told their people to ID what drive fits which system by series. To know what the lanes are I would look at the guide I’ve posted below.

So we collectively have had to bang our heads a bit to figure this all out. As it turns out Cody of BeetsTech has a good writeup while it has a few errors and also incomplete its by far the best guide out there! The Ultimate Guide to Apple’s Proprietary SSDs. There you can find what you are looking for, for a lot less hassle and someone who will backup the product.

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@danj Hi Dan,

It looks like I might have the MZ-JPV5120 (512GB PCIe 3.0x4 SSD) AHCI Protocol version, as seen here:

Samsung SSUBX PCIe 3.0 x4  Apple Blade SSD

I am trying to figure out if it would be possible to take this drive out to get a copy of my data. Perhaps a PCIe to USB converter of some type. This drive has a 12+16 pin interface.

I found this on amazon, do you think it will work? It mentions support for the Samsung MZ-JPU but nothing about then MZ-JPV...

12+16 pin (28pin) to USB 3.0 Adapter for 2013-2014 Macbook SSD - A1465

It looks like I need this one:

QNINE USB 3.0 PCIe SSD Enclosure for 2013 2014 2015 2016 2017 MacBook Air Pro Retina, USB External Reader for A1465 A1466 A1398 A1502 SSD Adapter with Case (Support 12+16 pin)

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@erasv - I would get the QNine or OWC case for your SSD.


I am not sure of the answer myself, ive been reading through these links, and a few others, but haven't found that specific answer. One thing that did stand out in this video below at :13 seconds, it shows an image of an amazon item description. In it it says MLC and in other forums ive seem people speak about Samsung drives as MLC or TLC. Not sure exactly what the diff is...

I am dealing with a similar situation. Bought a scrapped MBA from goodwill (2012) no drive or battery but It boots fine. Bought a 256GB drive but it did not specify year. Drive said 2018 so it definitely doesn't work with my 2012 without an adapter.

I have the MZ-JVP256S/OA2 I am thinking that this is the 4x PCIe to NVMe so I want to hook up my MBA Drive into my MP3,1.

Bought 256GB TimeTec Drive$49


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