For my rMBP 11,4, it would be MZ-JPVxxx or, for the 1TB drive, MZ-KPV.

For instance, a good search term for Samsung drives for my rMBP 11,1 (late 2013) is MZ-JPUxxx where xxx is the capacity of the drive. Go to the Beetstech post, click through to the selling pages for whatever drive, and look at the model numbers, then use those as a guide for what to search. Beetstech's post on Apple SSDs referred to above is a great resource for determining what model numbers you should look for and what drives work for which models. Rule of thumb is, where multiple manufacturers made Apple drives, go with Samsung. Prices vary wildly - if you have the time and patience to monitor availability for your targeted device, you may be able to score a really great deal. The counterpoint is that the longer time goes on, the more worn out become second-hand Apple drives, and so far no vendor seems to supply reports on the data already written to such drives so you can target the least used ones. The more time goes on, the lower prices go. Depending on where you live, you should see whether eBay or similar have Apple OEM drives at a low enough price for you.As an example of something I don't get into, there are some Mac Pros which have some NVME adapter cards for their PCIE bus - (though I think the link I provide below to a big Mac Pro thread does include that info, if that's what you're after).Ī really great resource for understanding Apple removable SSDs is the following which goes from the first MacBook Air drives to Polaris: I am specifically considering adapters for Apple-proprietary SSD connectors capable of running an industry-standard protocol (SATA or NVME).

If there are other threads to which I should reference, let me know, I'd love to include them. There are very good Macrumors threads for significant parts of it, to which I link. I figure why not summarize this info, since I haven't seen such a summary elsewhere. I started looking at this when considering a non-Apple SSD upgrade for my rMPB 11,1 and 11,4 - and went down the rabbit hole. (links to Amazon, etc, are for information purposes only - none of them is an affiliate link) CORRECTIONS WELCOMED, ALL ERRORS ARE MINE, USE AT YOUR OWN RISK.

What ssd drive for macbook air 2012