Announced on October 16, 2014, identifiable by the model number A1347 and EMC 2840.

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Upgrade 1TB HD to Samsung 850 EVO 500GB (MZ-75E500BW)

Hello everybody, I just bought a mini mac 2.6GHz Processor 1TB Storage with 16 GB memory installed.

But I want to replace installed 1TB 5400 rpm HD with Samsung 850 EVO 500GB SSD. I read all of the posts and answers here but I am not sure that it will work :( I already ordered a repait kit from ifixit...

Can anybody help me about this question because I already bought my mini mac since I thought HD->SDD upgrade would be possible. And I dont want to buy an extra SSD for nothing.

Best wishes...

Devrim

Update (01/15/2017)

My SATA interface and HD like as follows, according to the system report.

Any issue?

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Answered! View the answer I have this problem too

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@dbahar - Don't be too quick to accept the first answer as you might mis something more helpful.

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If you currently have a Fusion Drive setup (have the PCIe SSD installed as well) you'll first need to break it to switch out the HD for the SSD. You won't be able to re-create the Fusion Drive setup with two SSD's in the system. Here's how thats done: How to split up a Fusion Drive

Here's the IFIXIT guide you'll want to follow to swap out your HD for a SSD: Mac Mini Late 2014 Hard Drive Replacement.

While you don't need to setup a bootable OS installer to install the OS as this system supports Internet Recovery it will be faster setting up a bootable USB thumb drive as an OS installer. Or get this: Startech 2.5" SATA to USB adapter which will allow you to prep the SSD using your current HD. Here is a good reference on the startup commands: Startup key combinations for Mac.

Just take your time and don't force things! Be careful in disconnecting the cables as some of the small SMT components can be damaged or pulled off if you don't use care.

Update (01/15/2017)

Many people get confused on what they are buying. So I just wanted to cover that issue in case you had that model. When you open the system if you see this then you have a PCIe SSD in your system. If you don't you're good!

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As to using a SATA SSD in this system we have upgraded quite a few with no issues! Its just a plug & play situation. No other hardware alterations are needed.

The only rub is setting up the OS after installing. That was the major point in what I spoke about here. You have a few different ways to do it and you might need to consider which way you go.

Update (01/16/2017)

OK, then you do have a Fusion Drive!

So follow My first point as you'll need to break the fusion set before you alter the drives. Once thats done you'll see two discreet drives the (HD & SSD that make up the fusion set). Then you can replace your HD for a second SSD.

If you where thinking of re-joining the two drives (SSD & SSD) into a Fusion Drive you just won't gain any benefit and just confuse the poor system on which is the SSD as both are!

You also seem to be confused on what your storage will be (size wise). As you are taking the HD out you will only have the custom blade SSD left in the system which is only 256 GB in size (the HD is 750 GB on the 1 TB Fusion Drive).

So your re-configured system will be 256 GB + 512 GB for a total of 768 GB so your total storage will be less!

If you where thinking of swapping out the custom blade SSD then the Samsung EVO SSD is not the correct drive! Sadly, there is no 3rd party offering you will need to locate an Apple spare (very expensive) or a used unit off of eBay.

So in a nutshell I don't think this is a wise direction for you. I think an external Thunderbolt RAID'ed SSD set would give you the speed I think you are looking for and is a lot easier to deal with.

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Hello Dan, No I don't think currently I have a Fusion Drive setup. Because I didn't bought that model : http://www.apple.com/shop/buy-mac/mac-mi...

You mean this, right?

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Mr. @dbahar, read this. SSD Addition to the late Mac mini base

Dan really knows his stuff, especially when it comes to Apple. Why do you think he's one of the three moderators?

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Hello George, yes it is obvious and I am very new here. Dan helped me alot and answer me asap, for that I am very appreciated. I respect him and his suggestions

I only wanted to be sure that he asked me if I had fusion drive. And I think I don't need to do extra job specific to Fusion Drive (HD+SSD disk I guess)

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Hi again, one more question and a thing to be cleared for public interest :

I have 2.6GHz version and Tech Specs says that : "Configurable to 1TB Fusion Drive or 256GB of flash storage (SSD)."

But for 2.8GHz version it says : "Configurable to 2TB Fusion Drive or 256GB, 512GB or 1TB of flash storage (SSD)."

Do you think a 512GB SSD can cause a compability or capacity issue? Cause I have already ordered my Samsung EVO 850 500GB SSD last night!

Best wishes

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Yes! It does have both compatibility & sizing issues as you have a second physical drive here which complicates things. See above for all of the details.

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Likely, because it is a SATA drive. Refer to the Mac Mini teardown guide on this website for more:

Mac Mini Late 2014 Teardown

Generally, you get two standards for hard drive connectivity, IDE, and the newer SATA. The Mac Mini 2014 has a SATA connector for hard drive.

You will have to install a proper OS on the new drive, whether Linux, Windows, or - duh - MacOS. I'd install that before trying the switch: at any rate, you will want to have a MacOS installation USB ready before attempting the switch.

https://support.apple.com/en-us/HT201372

Be aware that:

You're better off BACKING THINGS UP. There are no guarantees it will work flawlessly, no guarantees you wouldn't lose data, I make no expressed or implied guarantee myself about any of the advice I am giving here. These are just friendly recommendations and to be treated as such.

1) Apple has a kind of protection on installation (USB) media, something to do with dates (the date when you downloaded the file). In case you face an error when attempting to install the new OS, there is a procedure to force the installation manually, on command-line. Please get documented about that before attempting anything.

2) Changing the hard drive might void your warranty.

3) You might also encounter problems (to boot) if any part of the "firmware" has been trained to recognize your original hard drive, or due to some corruption of the NVRAM.

If you still wish to take the risk, I would suggest arming yourself with two bootable USBs. One for the MacOS installer, and a "rescue toolset" in the form of an Ubuntu LiveCD. If all else fails, the Ubuntu LiveCD will generally let you access partitions, help you access an EFI shell, etc.

And perform some recovery.

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@argonavis - Almost ;-}

Yes, this system has a SATA port but the other port is a custom PCIe SSD blade interface. Some of the older models have tow SATA ports unlike this series.

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Thank you Mauro. Actually I can risk warranty also losing data. Because I had a SSD pre-installed mini mac 3 years ago. I prefer SSD for performance issues. But, I am worried about the firmware or boot thing! :(

You said : "3) You might also encounter problems (to boot) if any part of the "firmware" has been trained to recognize your original hard drive, or due to some corruption of the NVRAM."

How can be sure or verify about that, do you know any method?

Regards,

Devrim

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@dbahar I don't. In theory, all should be well. I am speaking of my own (negative) experience with a Mac Mini 2014 where I simply installed a triple-boot the manual way, eq. by partitioning the single disk using Gparted from Linux.

After a couple of boots, something happened, and the hard drive wouldn't be recognized after a cold boot. For future boots (I still own and use this machine), I've had to resort to a USB "stub" - an external USB that boots me into Linux, which somehow enables hard drive detection, and I can then restart and pick my OS.

My understanding is that Mac computers, like other computers, have some form of low-level ROM, containing a "BIOS", and that corruption happened at that level.

This is however a very different case, and your situation "should" be safe. There is no obvious reason any part of the firmware would be tethered to a single hard drive (that would defeat the possibility to repair/replace missing parts).

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devrim bahar will be eternally grateful.
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