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I'm planning on sticking with Sierra, as it seems to be the most stable and most compatible option to permit me to use a lot of legacy 32-bit software without having to spend hundreds to upgrade, which I know I will be forced to do if/when I go to a newer MBP. SW like Adobe photoshop CS3, Logic Express 9, etc. Foresee any issues if I clone my 128GB drive onto the 1TB SSUBX?
Mojave still works work 32 bit apps.

I don't foresee any issues. I've used time machine many times to restore backups to nvme drives and 128, 256, and 512 GB OEM drives. The time machine backups usually came from smaller drives.
 
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Mojave still works work 32 bit apps.

I don't foresee any issues. I've used time machine many times to restore backups to nvme drives and 128, 256, and 512 GB OEM drives. The time machine backups usually came from smaller drives.
Great. Final question (I think) if you don't mind - any reason you'd steer someone more towards an nvme vs. ssubx/ax? The most power-hungry work I do is 20-track Logic Express projects and then sub-10 minute iMovie exports.
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I'm also noticing different part #'s, should I not get hung up on those?
MZ-KPV1T00/0A8 (found on Ebay), vs.
MZ-KPV1T00/0A4, (found on Ebay) vs.
MZ-KPU1T0T/0A1, (found in another Macrumors thread, etc...)
 
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Great. Final question (I think) if you don't mind - any reason you'd steer someone more towards an nvme vs. ssubx/ax? The most power-hungry work I do is 20-track Logic Express projects and then sub-10 minute iMovie exports.
[automerge]1589912110[/automerge]
I'm also noticing different part #'s, should I not get hung up on those?
MZ-KPV1T00/0A8 (found on Ebay), vs.
MZ-KPV1T00/0A4, (found on Ebay) vs.
MZ-KPU1T0T/0A1, (found in another Macrumors thread, etc...)
The nvme drives are much cheaper on a $/GB scale and can be reused in Windows computers. They have their issues which are reduced battery life, don't support hibernation, and can't run Sierra unless the nmve drive can be formatted using 4k clusters.

There are several part numbers on the SSD label and there drives have different revision numbers. I have never worried about the part number, only whether they are ssuax or ssubx.
 
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NVMe drives won't let you do BootROM upgrades which often include CPU patches to mitigate the Spectre / Meltdown exploits.
 
The ssuax and ssubx are compatible with the mid-2013 Air but I'm not sure if the 1 TB is physically too large. I'm going to open my Air and look.

Edit: the 1TB will be too wide unless you can cut away the frame from the battery.
 

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Ho boy... that site says neither SSUAX or BX 1TB's are compatible with my MacbookAir6,2 mid-2013 (not 2014) MBA.

Now what to believe. :)

It says this: "Like the MacBook Air laptops before them, the Early 2015 – Mid 2017 MacBook Airs lack the space to fit the wider 1TB SSDs, and are limited to the 128GB, 256GB and 512GB options."
 
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The ssuax and ssubx are compatible with the mid-2013 Air but I'm not sure if the 1 TB is physically too large. I'm going to open my Air and look.

Edit: the 1TB will be too wide unless you can cut away the frame from the battery.

Thank you very much for saving me potential item return hassles (and my own headaches).

I have a replacement OWC battery in my MBA now, I should see if it afforded any space vs. the OEM battery (I doubt it).

I may just have to suck it up and go with a 512 which will be better than the 128 I have but which won't allow as much flexibility as a 1TB. I'll keep key documents on the 512 but since I have a jetdrive lite 256, I'll keep some apps I infrequently use there, which may be slower than the SSD but will let me prioritize more important files onto the SSD. Thanks a ton!
 
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The ssuax and ssubx are compatible with the mid-2013 Air but I'm not sure if the 1 TB is physically too large. I'm going to open my Air and look.

Edit: the 1TB will be too wide unless you can cut away the frame from the battery.

Here is a great article about apple ssds. https://beetstech.com/blog/apple-proprietary-ssd-ultimate-guide-to-specs-and-upgrades

They also seem to sell by their store. I bought mine from a local store that is selling used apple product parts.

Thanks for the help in this thread, it’s been very helpful. And to @Fishrrman in other threads.

I‘m looking for recommendations on an SSD type that matches my 2014 MBA’s speed/capability so I don’t unnecessarily over-buy for performance I won’t use.

I’ve decided to stretch my 2013/14 i7 MBA for a year or two more and see how the next-gen ARM MacBooks shake out. Otherwise, I’d have to buy $350 of new 64-bit Logic Pro, photoshop elements, financial software which would, in short order, face another “un-optimized situation“ with Rosetta 2.

Instead of limiting myself to a 512gb internal SSD replacement, I‘d like to build an external SSD in a small-footprint enclosure that I’d Velcro to my MBA and connect via a short USB-A cable, which will get me by just fine for my usage cases. I’m already velcroing a 4.0 HDD to my MBA for those times I need access to files on that drive, it’s just not very portable even to walk safely from the couch to the table.

Something along these lines:

I expect to use this travel-along SSD only with my current MBA (and daily) and like I said, would like to optimize storage size. So I probably don’t need to pay up for a high-performance drive like the NVMe 4.0 Gen 4 PCIe M.2 SSD that Max Tech recommends in that video. (In fact I’m not even sure it’d work with my MBA in an enclosure with USB-A, or would it?)

I understand from the link provided by @Ghokun above that the 2014 MBA board all support PCIe 2.0 x4 for an onboard SSD. And my MBA has two USB 3.0 ports and a single thunderbolt 1 port.

Here are the specs on my MBA: https://support.apple.com/kb/sp700?locale=en_US

Here’s my question, if anyone wouldn’t mind helping clarify or recommend:

If I build an external SSD, what’s the maximum-spec external SSD stick type that will use the USB 3.0 speed/capability? The link above suggests an NMVe 4.0 Gen 4 PCIe M.2 SSD while I see options on Amazon and elsewhere like Gen 3’s, etc.

Thanks in advance for any help or even additional recommendations beyond what I’m explicitly targeting.
 
I'm loving so far my decision to "resuscitate" my 2014 MBA w/128GB by purchasing an ultra-small SanDisk Extreme 1TB SSD to replace my previously-used 4TB spinning HD as a workaround for more storage space (and instead of purchasing a $2000 2020 MBP, as it would have also required me to purchase $500+ in new 64 bit software).

I may also augment this decision with a 512GB SSUBX soon, for added storage plus added speed.

For fun I ran speed tests on my MBA and SanDisk Extreme for the first time and was rather surprised by the paltry (to me) speeds on the SSUAX. Do these seem legit, to those who understand these things better than I do? It's my understanding per the beets tech article/link shared above that the 2014 MBA has a PCIe 2.0 x4 interface, which I'd think *should* have resulted in faster speeds than those shown below?

Do these results seem legit, and - should I purchase a 512gb SSUBX, should I expect noticeably higher the speeds as reported below for the SSUAX?

Thanks for any help or clarifications on any misunderstandings on my part.

Andy


Speed test SSUAX w/2014 MBA, i7 8GB RAM:
DiskSpeedTest.png


Here's one for the SanDisk Extreme (with USB 3.0 on the MBA):
sandisk speedtest.png


/
 
The ssuax is a two lane drive. Ssubx is 4 lanes.

Exactly, I agree.

But my question: if my MBA has a 128GB SSUAX, those #’s I got seem lower than I expected. Can anyone corroborate if my #’s seem legit?
 
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