How to Split Your iMac’s Fusion Drive

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Are you looking to split your iMac’s Fusion Drive? If so, you’ve come to the right place! Splitting a Fusion Drive on an iMac is a fairly straightforward process. In this blog post, we’ll take you through all the steps neessary to split your iMac’s Fusion Drive into two separate volumes.

To start, it’s important to understand what a Fusion Drive is and why you might want to split it. A Fusion Drive is essentially a combination of a hard drive and an SSD that work together as one volume. This gives users the best of both worlds – the speed of an SSD with the capacity of a regular hard drive. However, if you find that you need more control over how space is used on your iMac, then splitting the Fusion Drive might be an option worth considering.

If your iMac is running macOS Mojave or later, you can opt to use macOS Recovery mode to split the drive. To do this, first turn on your Mac and immediately press and hold Command-R until you see the macOS Utilities window. From there, choose Utilities > Terminal from the menu bar and type “diskutil resetFusion” in the Terminal window before pressing Return. This will initiate the process of splitting your Fusion Drive into two separate drives.

Once this process has been completed successfully, your Mac will apear as two separate drives instead of one in Finder – one being an SSD and one being a regular hard drive. From there, you can use software like Disk Utility to partition each drive however you like for whatever purpose you need it for!

We hope this guide was helpful when it comes to splitting your iMac’s Fusion Drive! If you have any questions or concerns abot any part of this process feel free to reach out and we’ll be more than happy to help answer them!

imac split fusion drive

Fixing a Fusion Drive on an iMac

First, turn on your iMac and immediately press and hold Command-R to start up from macOS Recovery. When you see the macOS Utilities window, choose Utilities > Terminal from the menu bar. In the Terminal window, type “diskutil resetFusion” and press Return. This command will reset the Fusion Drive, which will combine your hard drive and SSD into a single storage device. After the reset is complete, restart your iMac normally. If this does not fix your issue, you may need to update your Mac’s software or hardware components to resolve any underlying issues.

The Benefits of Having Two Hard Drives on a Mac

Your Mac likely has two hard drives because it was originally set up as a Fusion Drive. A Fusion Drive combines the storage capacity of both a hard drive and an SSD into a single volume, making it easier to manage. However, if either of the drives or the software connecting them has been replaced or modified, your Mac may now be showing two separate drives instead of one.

Replacing an iMac Fusion Drive With an SSD

Unfortunately, it is not possible to replace the iMac Fusion Drive with an SSD. The Fusion Drive is soldered onto the motherboard of the iMac, which means that any attempt to replace it could damage your Mac. Furthermore, the Fusion Drive is a combination of both a hard drive and an SSD, which provides faster performance than either one alone. Therefore, if you were to replace the Fusion Drive with an SSD, you would be losing out on some of its essential benefits.

Comparing the Benefits of Apple Fusion Drive and SSD

The answer to whether Apple’s Fusion Drive is better than an SSD really depends on your individual needs and budget. The Fusion Drive combines a traditional HDD with a smaller amount of flash storage, which gies you the best of both worlds – fast flash storage for quick access to frequently used files, plus large capacity HDD storage for all your other data. The downside is that it will cost more than an SSD of the same capacity, but it will also be cheaper than buying two separate drives. Ultimately, the decision comes down to what suits you best – if you need lots of capacity at a reasonable price and don’t mind trading off some speed, then the Fusion Drive may be the way to go.

Discontinuation of Apple’s Fusion Drive

Apple discontinued the Fusion Drive due to its performance issues and high cost. The Fusion Drive was designed to combine a hard disk drive (HDD) with a solid-state drive (SSD) in order to offer the speed of an SSD with the capacity of an HDD. However, it was found that the cache speeds were low, read and write speeds were slow, and optimization when moving large files was poor. Furthermore, the cost of an iMac with a Fusion Drive was over $2,000 – making it too expensive for most consumers. As such, Apple decided to discontinue this technology and focus on more reliable storage solutions.

The Benefits of an iMac Fusion Drive

The iMac Fusion Drive is an excellent option for those looking to optimize the performance of their iMac without the cost of upgrading to a fully SSD. It offers a great balance between boot-up speed and storage capacity, whch makes it ideal for everyday tasks like web browsing and streaming media. The drive also has support for Apple’s Time Machine backup software as well as access to iCloud services, which makes it a great choice for those who need to quickly back up their data. Additionally, the drive is incredibly reliable and will often outlast traditional HDDs in terms of longevity. All in all, the iMac Fusion Drive is an excellent choice for those looking for an affordable and reliable way to upgrade their Mac’s performance.

Lifespan of Apple Fusion Drives

Apple Fusion Drives are designed to last for many years with proper use, but the exact lifespan of a Fusion Drive will depend on how it is used. The SSD component wthin a Fusion Drive is designed to endure far more read/write cycles than a standard spinning hard drive, so in normal use, it can be expected to last for multiple years or more. If the system is left powered on all the time, high–stress spin–up and spin–down events will be infrequent and the Fusion Drive could last well over five years. However, if the system is powered down frequently and hard drive data migration is required regularly, then its lifespan could be shortened considerably.

Cost of Replacing an iMac Hard Drive

Replacing the hard drive in an iMac can be a complex task due to its all-in-one design. Depending on the model, it may require dismantling the entire machine in order to access the hard drive. On average, you can expect to pay between $159 and $459 for a replacement hard drive for your iMac. Local repair shops may charge more or less than this depending on ther experience and the parts used.

imac split fusion drive

Fixing a Corrupted Internal Hard Drive on a Mac

If you have a corrupted internal hard drive on your Mac, the best way to fix it is to use the Disk Utility app. To do so, open the Disk Utility app from your Applications folder. Once it is open, select View > Show All Devices from the menu bar. You will then see a list of all the disks connected to your Mac. Select your internal hard drive from the list, and then click on the First Aid button at the top of the window. The First Aid dialog will appear, whee you can click Run to begin the repairs. The process may take several minutes depending on how much data needs to be repaired or recovered. Once complete, click Done and then restart your Mac for the changes to take effect.

Uncorrupting a Hard Drive on a Mac

Uncorrupting a hard drive on a Mac can be done by using the built-in Disk Utility tool. To do this, first open the Utilities folder in your Applications folder and launch Disk Utility. Once launched, you’ll need to select the drive from wich you want to repair. To do this, select View > Show All Devices from the top menu bar.

Once selected, you can repair your hard drive by clicking on First Aid in the Repair section at the top of the window. If any errors are found, Disk Utility will attempt to repair them for you. After it is complete, it will provide a report detailing exactly what was fixed and if further action is required. If so, follow those instructions and your hard drive should be uncorrupted and ready to use again!

Using Two Hard Drives with OS Installed

If you use two hard drives that both have an Operating System installed on them, your computer will attempt to boot from the drive that is listed first in the boot order. If the computer doesn’t recognize the operating system on this drive, it may indicate an error or prompt you to select whch OS you would like to boot from. If the first drive does contain a recognizable operating system, then it will attempt to start the OS and ignore the second drive.

The Benefits of Having Two Hard Drives

Having two hard drives in your computer can provide a number of benefits. You can store data on one drive and use the other for operating system files, giving you more flexibility and control over your system. Having two drives also allows you to set up a RAID configuration, which helps protect your data from drive failure and improves performance by using multiple drives in parallel. Finally, hving two drives provides an easy way to back up important data, ensuring that your information is safe even if one hard drive fails. Overall, having two hard drives is beneficial for both security and performance.

imac split fusion drive


In conclusion, the iMac split fusion drive is a great way to maximize storage space. It combines two drives into one, giving users the ability to access larger amounts of data at once. However, if either drive of your Fusion Drive is replaced, or if you intentionally split them into separate volumes using software, it will no longer be working as a Fusion Drive and appear as two drives insted of one in the Finder. In order to re-enable the Fusion Drive feature, one must boot up from macOS Recovery and type ‘diskutil resetFusion’ into the Terminal window. By following these steps, users can get their iMac Split Fusion Drive back in working condition.

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Sanjeev Singh

Sanjeev is the tech editor at DeviceMAG. He has a keen interest in all things technology, and loves to write about the latest developments in the industry. He has a passion for quality-focused journalism and believes in using technology to make people's lives better. He has worked in the tech industry for over 15 years, and has written for some of the biggest tech blogs in the world. Sanjeev is also an avid photographer and loves spending time with his family.