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Is there somone who can tell me if I can swich out the 2Tb fiusion drive in iMac 27" 2017, 3.8 GHz, i5 out, for 8Tb Samsung SSD and fitings/adapter from OWC?
Does the the fuision form make any special problems? Can I transfer data from the fiusion disc to one SSD disc as it wold be any other one disc?
— And/OR makes the large 8Tb SSD any spcial propblems for the hardware or the system in the iMac18,3, 27“ 2017, 3.8 GHz, i5?
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This is a bit tricky! To start with replacing the SATA connected drive in its self is quite easy! iMac 27" 2017 Hard Drive Replacement but the remaining blade caching SSD used within a Fusion Drive setup will create problems! Best to take it out iMac 27" 2017 Blade SSD Replacement
The next question is what is your goal here as the PCIe/NVMe interface is much faster than the SATA III (6.0 Gb/s) the SATA port offers. Maybe you might want to look at getting a blade SSD either a 480 GB or 1 TB for your boot drive and storage of your applications and leaving the rest for OS/App caching and depending on your apps using it for scratch space.
I had often setup video and music pros and students with dual drive configs. Most go for a larger blade SSD and either go with a SATA HDD or SSD for hosting their work.
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Best of thanks. So probabli it would be best to upgrade both? Maby 1 Tb + 2 or 4 Tb?
@helgijohann - What is your goals are you into architecture design, drawing o illustrator, music or video apps? These are the workflows a dual drive setup makes a lot of sense. Again, a PCIe boot/app drive and a SATA data drive.
If you are just a writer or web surfer a SATA drive alone will be more than enough, then its just a matter of how much stuff you need for reference.
A web gamer would want just a PCIe blade drive but the iMac's aren't the best gaming system and you would also need to monitor the systems temps.
As an example I use an older 2012 15" MacBook Pro with 16 GB or RAM and a 1TB drive which I use just working on iFixit questions and a bit of web surfing. I have a 2013 MacPro I use for my photography work. It has a 2TB blade drive and two external RAID drive sets to hold my work.
I am a pro photogrpher
A lot of photos to keep, a lot scanned from 6x6 & 35mm films, and later taken on digital-Nikons. Much to much. To find the again and have real use of them I need enaugh speed and space.
@helgijohann - I would go with a dual drive setup like what I use. The blade drive would be your boot drive and host your apps and nothing else! Now you still want extra space for the OS & Apps for Virtual RAM, Caching and Scratch space. So consider who much physical RAM you have as the more the better if you are working on large or many images as the same time. Your internal drives storage would likely best for your current work and I would go with an external RAID Drive using Thunderbolt 3 setup as its faster for your bulk stuff!
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