Frequently Asked Questions

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FuzeDrive combines your fast SSD with your large capacity storage into one big drive that looks and performs like your fast SSD.  With modern games exceeding 100GB and large rich media files, you need all the storage capacity you can get.
What is FuzeDrive?

FuzeDrive is Real-time Tiering software with Machine Intelligence.

  • It blends 2 different classes of storage media (fast and capacity) into a single volume that appears to the operating system as the C: drive.
  • Active data is automatically moved to your fast storage media and stored there and your inactive data is kept on the capacity storage.
  • Your storage activity is dynamically monitored and learns how you use your system.

The result is you get the performance benefits of your fast storage and the combined capacity of both the fast and capacity drives. Since it is fully automated, you do not need to worry about manually moving data between 2 drives.

How is it different from cache?

FuzeDrive uses your SSD as the primary drive while Cache uses your SSD to accelerate a slow HDD. FuzeDrive uses your SSD (fast drive) as primary storage, so it reads and writes directly to the SSD.

Active data remains there permanently until something more active is promoted to the fast tier. The AMD version of FuzeDrive supports up to 128GB SSDs, so it is more than adequate for storing all your active data. Data that is not active, is moved to the capacity storage (usually HDD) only if more space for active storage is needed.  

Cache temporarily moves active data into the SSD, but the data in the cache is flushed on a regular basis. Due to architecture constrictions, caches tend to be limited in how large they can be, and the capacity of the cache is not added to the capacity of the volume.

How many drives can I put into a FuzeDrive?

You can only tier 2 drives into a single FuzeDrive.  There can only be 1 FuzeDrive in a system.

How do I buy FuzeDrive?

FuzeDrive can be bought directly on our online store. The store is managed by our e-commerce partner - Fastspring. Fastspring accepts payment in most foreign currencies. After the purchase, the software and license key will be e-mailed to you.


What Systems does this Support?

FuzeDrive Version 1.5.x supports desktops and laptops that support AHCI mode.  Most HP laptops DO NOT support AHCI

What are the system requirements?

FuzeDrive supports both Intel and AMD Ryzen/Ryzen Threadripper  Processors/Chipsets: 

(1) Capacity beyond supported capacity will be available as a separate partition

How to tell what CPU you have in Windows 10:

Go to settings > System > About and it is listed under device specifications where it says processor.  Alternatively, open task manager and click more details. Then go to the performance tab and click CPU and it should show it in the top right.  

Pre-Install Checklist

If converting an SSD or NVMe boot drive that is larger than 128GB, additional steps are required. See the section Expand the Capacity of an existing SSD Boot Drive for additional information.Check the following prior to upgrading your system to FuzeDrive:

  • Your system meets the minimum configuration: 
  • Secure Boot is NOT enabled. Consult your system documentation for further details.
  • There are no other SSD caching or AMD software RAID solutions installed.
  • The BIOS SATA disk settings are set to AHCI, not RAID
  • Microsoft’s chkdisk or other third-party disk scan tools run error free on the boot drive
  • A new unused SSD or HDD is available – see Appendix A for supported configurations
What are some suggested configurations?
  • Performance option 1: You installed Windows on a relatively slow mechanical hard drive. With FuzeDrive™, if you add an SSD or NVMe drive later, you will enjoy the speed of an SSD when you boot your PC, or load programs and data that you most often employ.
  • Performance Option 2: You installed windows on a fast SSD drive, but are running out of capacity. If you add a large mechanical hard disk, FuzeDrive™ will recognize that the programs you use most should stay resident on the speedy SSD, and move the data that is rarely accessed to the mechanical hard disk. This gives you the best of both worlds: high performance with large capacity.
  • Performance Option 3: For the fastest booting and storage, a large conventional SSD paired with bootable 3D Xpoint NVMe drive for incredible booting speed, application launch, and data access performance.

Of course, these are only three simple scenarios to illustrate the benefits of FuzeDrive. The software is also able to utilize OptaneTM (advanced 3D Xpoint) and NVMe SSDs for incredible boot times and speedy transfers, and large mechanical hard disks for giant capacity. The bottom line is, Enmotus FuzeDrive™  delivers an incredible combination of storage speed and storage size.

How does this differ from RAID?

FuzeDrive works by intelligently moving data based on usage patterns back and forth between two different kinds of media, creating a mixed storage media virtual disk that costs significantly less than buying a large capacity SSD, which offering similar performance benefits. RAID stripes data across several similar sized and types of disk drives or SSDs allowing data to be read or written simultaneously to several devices in the RAID disk set in parallel. RAID can also mirror data to identical drives for redundancy purposes or use more advanced parity schemes to support one or more drive failures.

Does this software report any information?

No. FuzeDrive only works with small chunks of block level data and does not work with files or user data. It does not record any personal information.

How do I get support?

Read this FAQ carefully as you may be able to solve issues based on information here. If not addressed here, and you have purchased a license from the Enmotus website, please fill out a support request.  This form can be accessed on this web page or by selecting this link  Support

How do I get a refund?

Refunds are available for 30 days after purchase.  Note, that refunds are only processed on Modal-Friday, Pacific Standard Time (USA) and may take 2 days to be issued. Please submit a refund request on our support portal  Please include your order number.

If you received this software as a bundle with a system you purchase from a PC vendor, please contact that vendor.

Should I backup before I install the software?

Always backup your data as a good habit when using any computer or installing new system software or hardware.

Will this make my games and applications faster?

If you are adding an SSD to a system with an HDD, the system will perform at SSD speeds. If you are adding an HDD to a system with an SSD, the system will continue to perform at SSD speeds, but you will enjoy the added capacity without needing to manually manage data across both drives.

Will this improve boot times?

After re-booting the system at least once, the blocks will be promoted to the Fast Tier and your OS/System will load more quickly compared with a Hard Drive alone.

What does FuzeRAM do?

FuzeRAM is an optional RAM Cache that uses 2GB or 4GB (Depending on version) of your systems DRAM as an additional caching layer on top of your FuzeDrive. It is intended for accelerating read intensive applications.

FuzeRAM requires a minimum of 6GB of system DRAM. Results are highly dependent on your application and operating environment and you are encouraged to experiment by turning it on or off to see if it helps your particular environment.

To see the immediate effect, you can also try benchmark applications such as CrystalMark, which can show the benefit with and without the RAM cache turned on or off. Note, you can freely turn the RAM cache on and off without rebooting your system.

Do I have to be connected to the Internet to activate my license?


Is a trial of the software available?

We do not offer a trial version of the software

Is it possible to use the FuzeDrive Client license in more than one PC?

No. The License for FuzeDrive is only to be used on one computer.

I am an editor that reviews PC hardware. Is a copy of FuzeDrive available to use in my reviews?

Please fill out the press form and include your full name, job title, publication, and the country in which you are based. We will contact you or your editor

Can I create a solution using 2 SSD drives?

Yes. A good use case would be either an Optane or NVMe SSD for the performance tier and a SAS/SATA SSD for the capacity tier. This would be a very high performance solution.

Is the solution certified by Microsoft?

Yes. FuzeDrive is derived from the Enterprise Server environment and has been certified by Tier 1 OEMS, and is certified by Microsoft. 

Will I lose data on the FuzeDrive if the power turns off unexpectedly?

No. FuzeDrive uses technology derived from our server products that protects data during migrations between tiers. For normal IO operations, data accesses are treated the same as for a normal non-FuzeDrive disks i.e. FuzeDrive will not acknowledge back to the application or file system that data is written until the physical device(s) acknowledges the write has completed to the FuzeDrive layer.

IMPORTANT NOTE: it is always advisable to backup data regularly in case the physical device itself fails.

What happens if I pull out one of the drives in my bootable FuzeDrive or it fails?

The same occurs if you pull out a regular non-FuzeDrive boot drive while it is running or it experiences a hardware failure. The system will crash (or appear sluggish if the drives are degrading slowly) as it can no longer access portions of the disk it needs to operate. 

Are there any plans to create a version of FuzeDrive that can support RAID or other forms of disk level redundancy?

We are continuing to develop and enhance the FuzeDrive product and expect to add support for redundancy over the next year. Please check back regularly for updates.


FuzeDrive works with most Flash and HDD drives and is compatible with the latest processors from Intel and AMD.

What processors are you compatible with?

FuzeDrive Desktop supports both Intel and AMD Ryzen Processors/Chipsets:

  • Intel Sixth, Seventh, Eighth and Ninth Generation Intel® Core Processors with their corresponding motherboard chipsets: Intel 100, 200, and 300 series chipsets. 
  • AMD - Ryzen  and Ryzen Threadripper Desktop Processors including the new 500 series 
What drives are you compatible with?

All commercially available industry standard small and large form factor SATA hard drives and SSDs, and industry standard NVMe SSDs.

Are you compatible with Optane drives?

Yes. Optane hardware can be used as the Fast Tier of a FuzeDrive but the FuzeDrive does not work with Intel SRT

How many drives does this work with?

FuzeDrive works with only 2 drives.  One drive is your fast tier and the second drive is typically a high capacity drive.  It does not work with RAID

Are third party AHCI add in cards compatible?
Are third party AHCI add in cards compatible?
Not for bootable FuzeDrives. Some third party cards may work however with data (non-boot) FuzeDrives.
Can I run FuzeDrive on external USB drives, SCSI drives or NAS?

No. This version supports SATA or NVMe direct attached drives only.

What size of SSDs are supported?

FuzeDrive supports up to 1TB Fast Tier (SATA SSD or NVMe), depending on which version you purchased. The remaining capacity will be mounted as a standalone virtual SSD device. If the SSD is larger than 1TB, then the rest of the SSD will appear as a separate data drive which may be formatted as a separate volume e.g. D:.

What drive configurations do you support?
  • SATA Hard Drive and SATA SSD (M.2 or SATA cable)
  • NVMe SSD and SATA hard drive
My OS is on my SSD. Can I add a hard drive?

Yes! For example, you can increase the size of your 128GB SSD boot drive to 1TB or more by adding a 1TB or higher hard drive and expanding the capacity of your boot drive.

Can I use an NVMe or Optane drive plus a regular SATA SSD as a FuzeDrive?

My OS is on my SSD. Can I add a hard drive?

Will FuzeDrive work on my notebook computer?

FuzeDrive works on laptops that support AHCI mode.  Note, most HP notebooks DO NOT support AHCI

Does this work with secure boot?

Yes However, secure setup or converting your existing secure boot disk drive may require additional expert steps. See your system documentation on how to support secure boot for your particular system.

Does this work with legacy BIOS or EFI BIOS?

Both legacy and EFI systems and boot drives are supported.

Is Hibernate, sleep, and crash dump supported?

To ensure full support for hibernate and crash dump, all devices must be attached to the same physical motherboard controller. For hibernate to work in multiple controller setups (e.g. NVMe + SATA HDD), at least one of the devices must be attached to the SATA controller the Enmotus AHCI driver is installed with. Sleep typically works with any combination.

Is there Linux support?

Not at this time. Enmotus is currently exploring support for Linux and will announce support when ready.

Do you support encryption?

The Enmotus software does not itself support encryption. However, it does work with most operating system level (e.g. bit locker) or storage device based encryption schemes.

What about compatibility to security aspects like encryption and password protection?

Our software acts at the level underneath the file system at the block layers just like an SSD or HDD driver. All of the security aspects occur in layers above our software. We are a block level translation device that only acts on commands and relocates fixed blocks of data, so we have no exposure to nor introduce any additional security issues. We also support secure boot with signed drivers from Microsoft.

Advanced Questions

Need more answers?  Our knowledge base can help you solve most of your issues.
What do I do If I am in RAID mode? How about IDE?

RAID mode is not supported by the Enmotus software. The system will need to be converted to a standard AHCI SATA based bootable system before FuzeDrive can be installed and configured.

Are you compatible with RAID?

No, the consumer (PC) version of FuzeDrive is not compatible with RAID

Can I update my OS?

Yes.  You can update your OS like normal

How do install a new OS on a system with FuzeDrive installed?

See Advanced Setup Guide

Are Dynamic disks, storage spaces, ReFS and extended MBR supported?

Only regular basic disks are supported.

How do I expand my partition?

See the Quick Install Guide. (Go to the Disk Manager, click on the FuzeDrive and expand it to fill the rest of the space.)

Can I install FuzeDrive if my system already has data on the C: and D: drives?

Yes, However, if the C: (boot) and D: (data) volumes are on different disks AND you wish to use the existing drives without adding a new SSD or HDD, then you will need to first free up the D: by first backing up the D: data to a separate drive, verify all important data has been successfully backed up, delete all data on the D: drive, then continue to convert them to a FuzeDrive. Once the C: has been converted to a FuzeDrive using the drive D: used to occupy, and the FuzeDrive has been expanded to use the capacity of both the C: and D:, the data can then be restored back to the new larger C: (or if the applications require the D: for any reason simply create a D: partition on the new FuzeDrive)

Do you backup my data?

No, we simply accelerate or expand capacity boot or data drives. We recommend a separate backup utility. Always backup your data as a good habit when using any computer.

Can I remove my drives after I have installed your software?

Once installed, you cannot remove any of the drives as the FuzeDrive will no longer function. Both drives are required. If wishing to remove just the SSD (fast device), use the "Move All Data To Slow Media" function of the FuzeDrive utility as described in the Quick Install Guide.

Do you require Java?

Yes.  It is automatically installed when FuzeDrive is installed.

Can I still defrag my system?

Defragmenting a tier is not recommended. In addition to thrashing the SSD component unnecessarily, the tier's LBA is not linear with the physical disk (think like RAID), so defragmenting the HDD component isn't going to accomplish effective optimization. Tiering itself is an optimization technology.

What about TRIM commands

Yes, TRIM is supported when there is an SSD in the mix.

How do I troubleshoot issues or contact support?

Read this FAQ carefully as you may be able to solve issues based on information here. If not addressed here, and you have purchased a license from the Enmotus website, please fill out the support contact form. You can access this form by clicking on the "Report an Issue" button on this page. If purchased from a PC vendor or the software came with your system pre-installed, please contact the PC vendor for support.

How and why do I run a CHKDSK?

CHKDSK is a built in Microsoft utility for checking that a disk drive has no file system errors. Open a Command Line or Powershell Windows and type > chkdsk for more information on how to use. It is highly recommended that chkdisk be run prior to converting an existing boot drive that has been used for some time to a FuzeDrive.

I purchased a PCIe NVMe drive as the fast tier and installed the software. The system now turns off every time I try to do benchmarks. Is this the software that is shutting off the system?

No, during the running of the benchmark, you may be exceeding the capability of your power supply. Please refer either to the PC vendor from whom you purchased the system or read the motherboard’s and NVMe drive’s documentation for recommended power supplies for different configurations.

How do I get my data off the drives to replace with a new Hard Drive?

Follow the normal procedure for backing up a drive using a new/larger drive than the FuzeDrive and/or a USB backup drive with a larger capacity than the FuzeDrive. Back up the entire drive using your favorite Backup software, replace the drive and restore the backup image back to the standalone new replacement drive. Make sure it boots ok. Using the FuzeDrive utility, delete the previous FuzeDrive (or open up an Administrator Command Line and type ecmd --delete_all). You should now be able to recreate the FuzeDrive.

I installed the SW and created a FuzeDrive. How do I Un-tier?

Use the Remove Acceleration feature of the FuzeDrive utility.

How do I change the size of the fast media or the slow media?

Changing the size of the fast or slow media is not directly supported. If you wish to change the SSD or NVMe device (the fast tier device), use the "Move All Data To Slow Media" feature of the FuzeDrive utility, replace or add a different SSD (can be a different size, smaller or larger than the original), re-run the FuzeDrive utility and re-run Accelerate My Bootdrive.

How do I uninstall the software?

See the Quick Install Guide

How do I know the software is working?

See the Checking Status portion of the Quick Install Guide which shows how to access the system tray quick status check. If accelerating a HDD based operating system, you will also know it is working if your applications and boot times improve after several minutes of use.

I set up a FuzeDrive, but, made an error when choosing the Fast Tier (HDD) and the Slow Tier (SSD). How do I reverse them?

The system will automatically select the correct devices for and check the performance prior to creating the FuzeDrive. In the highly unlikely event the drives were reversed, use the Remove Acceleration function of the FuzeDrive utility and try to repeat the Accelerate (or Expand) My BootDrive operation.


Get started with FuzeDrive today.