I have recently purchased the Mac Mini M4 512GB - 16GB (to replace my mid-2014 MacBook Pro, which I am getting rid of), and like many, I now need to get a dock for additional ports. After researching many dock options, I’m leaning towards the Beelink Mate Mini A since it has the necessary ports I will need and the SSD options. In addition, my initial thoughts are to use one SSD for Time Machine backups, and the other SSD for general document, photo, and video storage. I will do some occasional photo editing with Lightroom. Currently, I am using a WD My Passport 2TB (2015) for my external storage for my MacBook Pro, and I have used approximately 500GB. In addition, I have a second WD Passport 1TB (2019), which I use for my Time Machine Backups; however, my MacBook Pro has had some issues recognizing the drive on occasion recently, so I don’t know if the drive is starting to fail or not. In my research, it seems like most of the users/reviewers are not using the pre-installed Crucial SSDs. Is there a reason people aren’t buying the Mate Mini A with the pre-installed SSDs for $279? It seems like a good value.
Beelink's effective price of $140 for going with the bundled Crucial SSD is a good deal. Crucial has been a good brand, their SSD perform well, and are generally well-regarded. However, given their exit from the market as someone else mentioned, there is a trade-off.
If you treat it as a 'if it works great, if not I will throw it away', it's probably fine and a solid $100 savings. If you want to get support, have the option to call the manufacturer, etc (pretty rare with an SSD in my experience), I would spend the $100 on another brand to have peace of mind over the next 5 years.
Would I be making a mistake if I went this route? Or should I just buy the dock with no SSDs, and get Samsung SSD’s which many reviewers used, or WD_BLACK SN850X, which I’ve seen other users/reviewers put in the dock?
If I wanted battletested SSD, I would get the WD SN850X. However, my guess is the successor model, the WD SN8100, is similarly solid, will definitely perform better (not just peak, which won't matter even with TB5, but sustained write), will generate less heat, and won't cost that much more relatively speaking.
And lastly, should I not even use one of the SSDs for Time Machine, and get an external HDD for that purpose, which I saw recommended in a video by MacMost Video? I do not want to spend unnecessarily, and I prefer not to overdo it. Any feedback is appreciated.
If just for TM and my backups weren't throttled by HDD speeds (still typically <200MB/sec) and I didn't actually restore files too often, I would go with an HDD for TM.
Then based on what you shared, I would use the new 2TB SSD as my external storage and use the existing 2TB My Passport (even though 2015) as the TM backup.
A 2015 is beyond life expectancy for an HDD but so is the 2019. If the 2015 is working better than the 2019, I would go with that over the 1TB HDD that's having unexplained disconnect issues for this situation. I have several 1TB HDD from the early teens running around here that I use like cartridges for archiving data. They work great despite >10 years old. I don't plan to buy more HDD but will use the ones that work until they don't. Of course I have copies all data on at least 2 devices at any given time.
Ideally your TM backup device is a few times larger than the data you want backed up so if you plan to fill the 2TB external storage 80-90%, then you do probably want a 4-8TB for TM. In which case a 4-8TB HDD will be much cheaper than a 4-8TB SSD, which is kind of overkill for that application assuming typical data usage.