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Since last April I have been putting 2TB SSDs from m4-SSD chinese site into M4 minis, the non pro ones. They also have drives for the pro version. I did 5 times the 2TB dives and once the 1TB drive in a base M4 configuration.

In couple of days I will be fitting another 1 TB drive into a friend's M4 base. My last 2TB card is also already reserved by another client of mine.

All i can confirm is that I didn't have a single issue, so far, with any of the drives or the minis after the upgrade.
All are working flawlessly, SO FAR !

I didn’t test iboff or ebay sellers. or ally Express. I order my drives from M4-SSD.com directly.

I have seen on the iBoff webpage that some of their 512GB drives use 2nd hand nands, while bigger ones use brand new ones. This is off putting in my opinion.
I hear often that people are afraid of storage updates, so I try to convince them otherwise.

Going back to m4-SSD.com case.

My Youtube video from the first mini upgrade is featured on their 2nd webside:


Mine is the Hime Hardware one.

M4-SSD told me that they check every single drive before shipping.
So far I have no reason NOT to belive their words.

3 of those minis I upgraded were brand new ones I bought straight from Apple's Polish reseller and performed the swap right away. The config of 24 GB ram and 2TB SSD is the sweet spot IMO.

Take care.

I picked up an iBoff 2TB about a week ago and was told it uses new SanDisk NAND. Installed it, and it’s been working great so far. The support on the iBoff Facebook Messenger page has been excellent—they’re quick to respond and answered all my pre‑sales questions (new NAND, manufacturer details, etc.). I’ve been in touch with them since around 2020, and their communication has always been solid, which definitely helped my decision. Very friendly and very responsive.

The drive comes with a 1‑year warranty, and they mentioned they can diagnose issues after that for a small service fee. My initial speed tests were a bit slower right after the first boot while everything settled, but after that, it’s been performing really well (knock on wood).

Hope this helps someone!



Screenshot 2025-12-23 at 12.22.24 AM.png
 
The reason I was looking into this is, is to backup my iphone 512GB into Mac mini M4. MacOS doesn't allow iphone backup into external drive.

Here's another thought": What if I use external drive boot? Say I install MacOS into a 4TB external SSD and boot from that,.... can I backup my iphone into that 4TB SSD?
 
The reason I was looking into this is, is to backup my iphone 512GB into Mac mini M4. MacOS doesn't allow iphone backup into external drive.

Here's another thought": What if I use external drive boot? Say I install MacOS into a 4TB external SSD and boot from that,.... can I backup my iphone into that 4TB SSD?
I backup my iPhone to an external SSD connected to my M4 Mini, I forget how to set it up, but it is on YouTube somewhere.
 
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