AHCI vs IDE: What’s the Difference Between AHCI and IDE (2022)

AHCI vs IDE mode has been heatedly discussed by lots of people in many forums. Some people suspect that AHCI has better performance, while they are still unclear about the differences between AHCI and IDE mode. You can get a comprehensive analysis from MiniTool.

Here are lots of people discussing some topics about AHCI vs IDE mode in forums. For instance, what is AHCI mode? Why does AHCI exist? AHCI vs IDE which one should I use? Here is a report on the Superuser forum that’s discussing these topics.

I've noticed in the BIOS settings of the newer PCs I own that I can configure the drive controller work either in AHCI. I'm suspecting that AHCI "performs" better, but I really don't know much about that from a practical standpoint. However, I've also noticed that certain programs (e.g. Ghost 2003) simply don't detect my hard drives if I choose AHCI mode.

To help you make a wise decision, we will compare the AHCI vs IDE in the following context, including their own definition, compatibility, performance, and other related information.

What Is AHCI Mode

AHCI (Advanced Host Controller Interface), defined by Intel, is an operating mode in the BIOS settings of the newer PCs. It is a newer technology that provides some advanced features to the Serial ATA standard.

AHCI vs IDE: What’s the Difference Between AHCI and IDE (1)

AHCI can be used to access the native functions of the SATA interface such as NCQ (Native Command Queuing) and hot plugging, which is beneficial to improve the compatibility and performance of your devices.

Its NCQ feature can optimize the process of the controller requesting data from your hard drive. Moreover, the hot-plugging (also called hot swapping) enables you to add or remove devices to the computer system while the computer is running. From the aspect of the number of storage devices per controller that can configure, the AHCI configuration mode can support a maximum of 32 devices/ports.

What Is IDE Mode

IDE (Integrated Development Environments) is a relatively old mode defined by Western Digital. An IDE mode is commonly used by hard drives to communicate with your computer system via a SATA controller. That is to say, a SATA hard drive is backward compatible with IDE mode.

Compared with the AHCI mode, IDE has better compatibility. It is compatible with almost all operating systems. IDE mode also has some obvious defects such as it no Hot Plugging and NCQ supports. At present, IDE seems to be replaced some new hard drive modes like NVMe and AHCI. That’s why IDE is more suitable for the average and old devices.

Right now, you may have an overall understanding of AHCI and IDE mode. The following section will focus on the differences between AHCI and IDE.

AHCI vs IDE

In this section, we will talk about the IDE vs AHCI topic from the aspects of their supported operating system, operating modes, compatibility, and performance.

Supported Operating System

Compared with IDE mode, AHCI mode supports fewer operating systems. AHCI can work in Windows 7/8, Windows Vista, Linux, OpenBSD, NetBSD, FreeBSD, OS Z, eComStation and Solaris 10. However, the IDE mode can work in almost all operating systems.

If your operating system is Windows Vista, Windows 7, Windows 8/8.1, or Windows 10, your system drive may encounter some booting issues. If your SATA controllers are not in AHCI mode when installing the OS, the several operating systems won’t configure themselves to load the AHCI driver upon boot.

(Video) What is AHCI?

Especially if you switch the SATA controller to AHCI mode inadvertently after installing the OS in IDE mode, your Windows system may fail to boot with a Blue Screen error. As for this issue, Intel recommends that users change the drive controller to AHCI or RAID before an OS installation.

If you are a Windows 10 user, you can try fixing the booting issue by forcing the correct drivers to reload in Safe Mode. In a word, IDE mode owns better operating system compatibility than AHCI mode.

How to Back up Windows to Safeguard Your Computer? Try MiniTool! Do you know how to perform Windows backup with ease so as to protect your PC and data? Try to use MiniTool programs to back up Windows. Read More

Operating Modes

Apart from the supported operating system, here are some differences between IDE vs AHCI from the aspect of operating modes. With a SATA storage controller, AHCI and IDE are 2 operating modes that enable a hard drive to communicate with the rest of the computer system, but there are some differences.

As you might know, a SATA hard drive can operate in a backward-compatible PATA or IDE mode, a standard AHCI mode, or vendor-specific RAID. Compared with IDE, the AHCI has faster and more available operating mode options.

IDE has only one operating mode available, while AHCI is a newer standard that was developed to be backward-compatible with Legacy Parallel ATA emulation. AHCI offers several operating modes including legacy Parallel ATA (PATA), Standard AHCI mode or vendor-specific RAID. To get more flexibility, Intel recommends using the RAID mode on the motherboard.

Tip: The parallel ATA, PATA, and IDE are the same thing.

Compatibility

The differences between AHCI and IDE are also obvious in the aspect of compatibility. As mentioned in the above information, AHCI is a relatively new standard that supports some new technologies such as native command queuing, NCQ, Hot Plugging, etc. So, you can imagine that AHCI may not be compatible with some old hardware or software.

IDE mode is more suitable for those average computer users. It is considered as the most compatible with some technologies particularly older devices such as hard drives, motherboards, etc. But it also lacks support for newer technologies.

In addition, another key difference between IDE and AHCI is related to the use of SSDs. You are required to enable the AHCI mode in BIOS settings before installing an operating system on SSD. If you install the OS in IDE mode, you may encounter the booting issue.

Performance

Performance is also an important factor to analyze the IDE vs AHCI. Beneficial technological improvement, AHCI has more obvious advantages in the aspect of performance compared with IDE mode. With AHCI mode, your computer can make use of all SATA advantages.

For instance, your computer can enjoy the faster speed of data exchange with HDD and SSD because of the NCQ technology. Once you activate the AHCI mode, the speed of accessing files in storage devices and the overall performance of your computer can be improved correspondently.

(Video) What is AHCI - IDE? increase your SSD & HDD performance #AXT

How to Upgrade Laptop from HDD to SSD Without Reinstalling OS This article shows you how to upgrade laptop HDD to SSD step by step, including cloning disk, removing HDD, and installing SSD. Read More

Which Is Better IDE or AHCI?

According to the above information, you may have a deep understanding of the difference between IDE and AHCI. So, IDE vs AHCI which one is better? In fact, there is no 100% correct answer because the demands of different users may vary. Despite that, you can still refer to the following suggestions to make a suitable choice.

  • If your devices like drives, motherboard, RAM are relatively classic, we recommend that you choose the IDE mode in BIOS settings.
  • If you want to get better performance or faster speed of your devices like SSD, the AHCI mode may be a better choice.
  • No matter you choose IDE or AHCI mode, you should follow the correct instructions to avoid any booting issue.

AHCI vs IDE: What’s the Difference Between AHCI and IDE (4)

After knowing the difference between AHCI and IDE, it’s time to make a choice. From the above information, you may find AHCI has better performance and more operating modes options. That’s why so many people want to choose AHCI mode.

Now, here comes with some problems. How to check the operating mode of your hard drive? How to convert from IDE to AHCI in BIOS safely? Please keep reading.

How to Check the Operating Mode of Your Hard Disk

To enable AHCI mode, you need to check if your operating mode is AHCI or IDE first. Here’s how to do that:

Step 1. Press Win + X keys to open the context menu and select the Device manager option from it.

AHCI vs IDE: What’s the Difference Between AHCI and IDE (5)

Step 2. Expand the IDE ATA/ATAPI controllers category, and then you can check the operating mode of your hard disk.

AHCI vs IDE: What’s the Difference Between AHCI and IDE (6)

As discussed in the above, the SSD drive can work better by using the AHCI driver. If you find out the hard disk is not in the AHCI mode, you can continue the following part to enable the AHCI mode.

How to Enable AHCI Mode in BIOS?

If your Windows system has already been installed, you can enable the AHCI mode by changing the DWORD value or using Command Prompt to enable AHCI mode. To know detailed steps, you can read this post “2 Ways to Enable AHCI after Windows 10 Installation”.

However, if you enable the AHCI mode after the Windows installation on SSD, your system will fail to boot with a BSOD error. At this time, you may need to reinstall your Windows on the SSD.

(Video) DIFFERENCE BETWEEN AHCI AND IDE

Before the reinstallation, we recommend that you back up the drive in advance. Here you can use a professional tool - MiniTool Partition Wizard. It can not only help you copy your hard drive but convert MBR to GPT without data loss, move/resize partition, etc.

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Step 1. Connect an external drive to your computer and run the software to open its main interface.

Step 2. Select the hard drive that you want to copy and click on Copy Disk feature on the left pane.

AHCI vs IDE: What’s the Difference Between AHCI and IDE (7)

Step 3.Select the external drive that you prepared and click onNext.

Step 4.Select a copy method based on your needs and clickNextto go on.

AHCI vs IDE: What’s the Difference Between AHCI and IDE (8)

Step 5.Click onFinishin the pop-up window and clickApplyto execute this operation.

After backing up the hard drive, you can set up the AHCI mode in BIOS settings again and reinstalling your Windows on the computer. Then you can check if your operating mode has been configured as AHCI through the above method.

What’s the difference between AHCI and IDE? If you are trying to figure it out, this post can help you and provide the methods for you to convert to AHCI mode.Click to Tweet

What’s Your Opinion?

Today’s article mainly focuses on discussing the AHCI vs IDE. Bear in mind that the AHCI mode must be enabled before the OS installation on SSD, or your system will fail to boot.

If you have any questions, please send us an e-mail via [emailprotected]. We also appreciate any ideas left in the comment area.

(Video) Hard drives (IDE, AHCI, NVMe) and why SSD PCIe is the way to go

AHCI vs IDE FAQ

Should SATA mode be AHCI or IDE?

Generally speaking, IDE mode provides better compatibility for the older hardware. But the hard drive may perform more slowly in IDE mode. If you want to install more than one hard drive and use the advanced SATA features, AHCI mode is a better choice.

How do I reset the BIOS?

  1. Restart your computer and wait for the first startup to appear.
  2. Press the Del or F2 keys to enter the Setup
  3. Once the BIOS settings appear, navigate to the Setup Default
  4. Select the Load Setup Default option and press Enter.

How do I know if my SSD is in BIOS?

  1. Restart your computer and press F2 key after the first screen appearing.
  2. Press the Enter key to access the Config.
  3. Select the Serial ATA and hit Enter.
  4. Then select the IDE compatibility mode under the SATA Controller Mode Option.
  5. Save the changes and restart your computer to enter BIOS.

What are features of an IDE and what do they do?

An IDE mode usually includes a code editor, interpreter, a compiler, and a debugger. It can combine many common activities of writing program into a single application and stimulates the maximum creativity of a programmer when writing or editing source codes.

What are different types of IDE software?

There are several best software and programs that IDE can support:

  1. Microsoft Visual Studio
  2. NetBeans
  3. IntelliJ IDEA
  4. Eclipse
  5. Aptana Studio 3
  6. Komodo
  7. PyCharm
  8. RubyMine
  9. Xcode
(Video) What is IDE and AHCI ? | Explained | HINDI

FAQs

What is the difference between AHCI and IDE? ›

The difference between AHCI and IDE is that AHCI is a newer interface to transfer data between the system memory and SATA storage media while IDE is an older interface used to transfer data among the computer and the storage drive. In brief, AHCI is much faster than IDE.

Is my hard drive AHCI or IDE? ›

How do you know you're using IDE or AHCI? Go to Device Manager and expand the hard drive controllers. If you see "AHCI" in there, you are using AHCI. The good news is that you can switch from IDE mode to AHCI in Windows 7 or Vista without reinstalling or even opening your PC case.

What SATA mode should I use for HDD? ›

If you are installing a single SATA hard drive, it is best to use the lowest numbered port on the motherboard (SATA0 or SATA1). Then use the other ports for optical drives.

What is IDE in BIOS settings? ›

IDE (Integrated Drive Electronics) is an electronic interface standard that defines the connection between a bus on a computer's motherboard and the computer's disk storage devices.

Should SATA mode be AHCI or IDE? ›

Should SATA mode be AHCI or IDE? Generally speaking, IDE mode provides better compatibility for the older hardware. But the hard drive may perform more slowly in IDE mode. If you want to install more than one hard drive and use the advanced SATA features, AHCI mode is a better choice.

How do I change IDE to AHCI without reinstalling Windows? ›

How to Switch from IDE to AHCI on SSD Without Reinstall
  1. Go to Start Menu and type cmd.
  2. Right-click on Command Prompt and Run as administrator.
  3. Copy and paste this code and then press Enter. ...
  4. Restart your computer and enter BIOS.
  5. Find the Advanced menu where you can switch from IDE or RAID to AHCI.
1 Jul 2021

Is AHCI good for SSD? ›

AHCI mode as previously explained enables NCQ (native command queuing) which is really not required for SSDs as they do not need optimizing in this way as there is no physical movement of heads or platters. In many cases, it can actually hinder SSD performance, and even reduce the lifetime of your SSD.

Do all SATA drives support AHCI? ›

Most SATA hard drives sold now are AHCI compatible. Back in the early days of SATA (SATA I, 1.5 Gbps) are mostly where you find non-AHCI compatible hard drives.

How do I set SATA mode to AHCI? ›

In UEFI or BIOS, find SATA settings to select the mode for memory devices. Switch them to AHCI, save settings and restart the computer. After the restart, Windows will start installation of SATA drivers, and when it is over, it will ask you for another restart. Do it, and AHCI mode in Windows will be enabled.

What is the best SATA operation? ›

If you are using a SATA hard drive, set your BIOS to RAID mode. RAID mode provides the greatest overall flexibility and upgradeability because it allows your system to be RAID ready and enable AHCI.

Is AHCI the same as UEFI? ›

Most motherboards have AHCI enabled by default in the Unified Extensible Firmware Interface (UEFI) or BIOS. Older motherboards may have IDE mode enabled by default and would need to be switched to AHCI before the operating system (OS) is installed.

What SATA mode should I use for SSD? ›

So, if you are using a SATA SSD or HDD, you can set up the mode to utilize the advantages of the SATA interface. With the emergency of NVMe, more and more SSDs are designed with the NVMe protocol. Many hardware and SSD manufacturers recommend that AHCI mode can be used for SSD drives.

What is IDE example? ›

Microsoft's Visual Studio Code is an example of a web-based IDE with features such as a code editor, syntax highlighting, code completion and debugging. Increasingly, IDEs are offered on a platform as a service (PaaS) delivery model.

What is AHCI mode in BIOS? ›

The BIOS Setup Utility provides an option to enable AHCI, this can be found under the Advanced | ATA Controller setup page. Enabling the AHCI provides access to all 6 SATA ports on the server board. If this is not enabled, the user will only have access to 4 ports on the server board.

How do I convert SSD to AHCI? ›

If it isn't, enable it and your SSD should start working normally.
  1. Shut down your system.
  2. Power the system On, and tap the F2 key to boot to BIOS.
  3. Go to System or Hardware configuration (this will differ based on BIOS).
  4. Look for AHCIor SATA mode.
  5. Enable AHCI or under SATA mode, set it to AHCI.
  6. Save and Exit BIOS.
2 Oct 2020

Can I change IDE to AHCI? ›

Right-click the result and select Run as administrator. Type this command and press ENTER: bcdedit /set {current} safeboot minimal (ALT: bcdedit /set safeboot minimal) Restart the computer and enter BIOS Setup. Change the SATA Operation mode to AHCI from either IDE or RAID.

Why my SSD is not detected in BIOS? ›

The BIOS will not detect a SSD if the data cable is damaged or the connection is incorrect. Serial ATA cables, in particular, can sometimes fall out of their connection. Be sure to check your SATA cables are tightly connected to the SATA port connection.

Which is faster RAID or AHCI? ›

That said, RAID is also available for SSD arrays but doesn't have a drastic impact on the performance. Since AHCI cannot operate in multi-disk configurations, RAID takes the stage in terms of read/write speeds as it divides the data between several drives, causing read/write times to go down.

How do I know if AHCI mode is enabled? ›

Click the arrow next to "IDE ATA/ATAPI Controllers" to display the list of controller drivers currently used by your system. d. Check for an entry that contains the acronym "AHCI." If an entry exists, and there is no yellow exclamation mark or red "X" over it, then AHCI mode is properly enabled.

How do I change AHCI mode to IDE in BIOS? ›

Power on the system. Press the F2 key at the Sun logo screen to enter the BIOS Setup menu. In the BIOS Utility dialog, select Advanced -> IDE Configuration. The IDE Configuration menu is displayed.

Does Windows work with AHCI? ›

Reboot again and Windows 10 will automatically start with AHCI drivers enabled. Whenever you want to switch back to RAID again, just try the same process above to enable RAID mode. It is important you should first boot into Safe Mode after changing the SATA mode in the BIOS.

What is RAID mode and AHCI mode? ›

AHCI is a hardware-level architecture that enables systems to support the use of SATA disks. RAID is a logical disk structure that admins can create at either the hardware or the software level. Admins commonly create RAID arrays on top of AHCI hardware.

Is AHCI slower than RAID? ›

As you'll notice, the AHCI connection is objectively slower, but the difference doesn't make it obsolete. If your system benefits from a lot of spinning disk drives, it might be the option for you. Conversely, if you're looking for performance, not storage capacity, RAID is a far superior option.

Can you use AHCI for NVMe SSD? ›

Can I use an NVMe SSD with AHCI? No. An NVMe SSD is expecting to be connected directly to the PCIe bus and not to have an AHCI controller talking to it.

How many ports are supported by AHCI? ›

Enabling the AHCI provides access to all 6 SATA ports on the server board. If this is not enabled, the user will only have access to 4 ports on the server board.

How do I enable AHCI for SSD in Windows 10? ›

Step 1: Type Command Prompt in the Cortana's search box and run Command Prompt as administrator. Step 2: Type the bcdedit /set {current} safeboot minimal command and then hit Enter. Step 3: Boot your computer into BIOS and then enable AHCI mode. Step 4: Save changes then exit BIOS.

What is hot plug in BIOS? ›

Hot plugging is the addition of a component to a running computer system without significant interruption to the operation of the system. Hot plugging a device does not require a restart of the system. This is especially useful for systems that must always stay running, such as a server.

Will SSD work without AHCI? ›

The good news is you can still use your new SSD in your laptop just fine, and the increase in speed you'll enjoy will still be dramatic. Switching to (or adding) a solid state drive is one of the best upgrades you can make to any home computer, and that includes PCs that don't support AHCI.

How do I enable SATA in BIOS? ›

This process varies from computer to computer, but follows the same general steps.
  1. Restart your PC by clicking the right edge of the screen and selecting “Settings.” Click “Power” and then “Restart.”
  2. Press the correct BIOS launch key when prompted during startup. ...
  3. Locate the SATA settings option in the BIOS menu.

Can I uninstall standard SATA AHCI controller? ›

Double-click your Intel(R) _________________ SATA AHCI Controller. Navigate to the Driver tab of the controller properties window. Select Uninstall. Restart the system after the uninstall is complete.

What is RAID mode? ›

What is RAID? RAID (redundant array of independent disks) is a way of storing the same data in different places on multiple hard disks or solid-state drives (SSDs) to protect data in the case of a drive failure. There are different RAID levels, however, and not all have the goal of providing redundancy.

How do I change from AHCI SATA mode without complete reinstall? ›

Replies (4) 
  1. Press Windows key + R from the Keyboard.
  2. Type regedit and hit Enter.
  3. Browse to HKLM\System\CurrentControlSet\Services\msahci\
  4. Change the DWord value named "Start" from "3" (ATA) to "0" (AHCI)
  5. Shutdown the computer.

Does AHCI support RAID? ›

AHCI transports data from a drive to a motherboard while RAID organizes several hard drives into a single storage unit. So, in theory, AHCI could transport information from a RAID array to the motherboard.

Which boot mode is best for Windows 10? ›

In general, install Windows using the newer UEFI mode, as it includes more security features than the legacy BIOS mode. If you're booting from a network that only supports BIOS, you'll need to boot to legacy BIOS mode.

How do I know if my PC supports UEFI? ›

Check if you are using UEFI or BIOS on Windows

On Windows, “System Information” in Start panel and under BIOS Mode, you can find the boot mode. If it says Legacy, your system has BIOS. If it says UEFI, well it's UEFI.

Why is UEFI better than BIOS? ›

UEFI has a detailed setting menu, more useful than traditional BIOS. UEFI supports secure boot, preventing PC from being damaged by malware. UEFI runs in 32-bit or 64-bit mode, and the addressable address space is increased based upon BIOS, the boot process is much faster.

Which SATA port for optical drive? ›

In short, any port will work for either device. Unless you have some kind of super fancy hard drive or a solid state drive, you won't really notice the difference. I'd say put them in the SATA3 ports anyway though.

Should I use RAID mode? ›

When Should I Use RAID? RAID is extremely useful if uptime and availability are important to you or your business. Backups will help insure you from a catastrophic data loss. But, restoring large amounts of data, like when you experience a drive failure, can take many hours to perform.

What does standard SATA AHCI controller do? ›

What is the SATA AHCI Controller? SATA AHCI is the way you can control every AHCI based storage drive connected to your computer via the BIOS interface of your system. You can optimize the handling of both SSD and HDD solutions with the Native Command Queuing, even if your computer uses both.

Is AHCI required for SSD? ›

If you are using the Windows 10 operating system on an SSD, you must enable it before the system installation, or your computer will fail to boot with a BSOD error. You may find the AHCI mode in the BIOS settings of the newer PC.

Why is AHCI better for SSD? ›

It often boosts performance (your SSD might be an exception, but if you run a SSD and a HDD then the HDD will get some boost). It offers additional features (e.g. hot-plugging drives). It is enabled just about everywhere else and having a system unexpectedly in a ancient compatibility mode would throw me for a loop.

Do all SATA drives support AHCI? ›

Most SATA hard drives sold now are AHCI compatible. Back in the early days of SATA (SATA I, 1.5 Gbps) are mostly where you find non-AHCI compatible hard drives.

What is AHCI mode in BIOS? ›

The BIOS Setup Utility provides an option to enable AHCI, this can be found under the Advanced | ATA Controller setup page. Enabling the AHCI provides access to all 6 SATA ports on the server board. If this is not enabled, the user will only have access to 4 ports on the server board.

Can SSD work in IDE mode? ›

A SSD will work perfectly well in IDE mode. What you lose is the ability to pass the "trim" command to the ssd. That improves update performance and ssd endurance. One needs to select the sata mode before installing windows so you will get the proper drivers.

How do I set SATA mode to AHCI? ›

In UEFI or BIOS, find SATA settings to select the mode for memory devices. Switch them to AHCI, save settings and restart the computer. After the restart, Windows will start installation of SATA drivers, and when it is over, it will ask you for another restart. Do it, and AHCI mode in Windows will be enabled.

How do I change AHCI to IDE in BIOS? ›

Setting the System BIOS and Configuring Disks for Intel AHCI SATA or RAID
  1. Power on the system.
  2. Press the F2 key at the Sun logo screen to enter the BIOS Setup menu.
  3. In the BIOS Utility dialog, select Advanced -> IDE Configuration. ...
  4. In the IDE Configuration menu, select Configure SATA as and press Enter.

Can HDD use AHCI? ›

AHCI and IDE are two modes in which a hard drive communicates with the rest of the computer system using a SATA storage controller. SATA hard drives can operate in a backward-compatible PATA/IDE mode, a standard AHCI mode or vendor-specific RAID.

Can I change IDE to AHCI? ›

Right-click the result and select Run as administrator. Type this command and press ENTER: bcdedit /set {current} safeboot minimal (ALT: bcdedit /set safeboot minimal) Restart the computer and enter BIOS Setup. Change the SATA Operation mode to AHCI from either IDE or RAID.

How do I change from AHCI SATA mode without complete reinstall? ›

Replies (4) 
  1. Press Windows key + R from the Keyboard.
  2. Type regedit and hit Enter.
  3. Browse to HKLM\System\CurrentControlSet\Services\msahci\
  4. Change the DWord value named "Start" from "3" (ATA) to "0" (AHCI)
  5. Shutdown the computer.

How many ports are supported by AHCI? ›

Enabling the AHCI provides access to all 6 SATA ports on the server board. If this is not enabled, the user will only have access to 4 ports on the server board.

Is AHCI same as UEFI? ›

Most motherboards have AHCI enabled by default in the Unified Extensible Firmware Interface (UEFI) or BIOS. Older motherboards may have IDE mode enabled by default and would need to be switched to AHCI before the operating system (OS) is installed.

How do I convert SSD to AHCI? ›

If it isn't, enable it and your SSD should start working normally.
  1. Shut down your system.
  2. Power the system On, and tap the F2 key to boot to BIOS.
  3. Go to System or Hardware configuration (this will differ based on BIOS).
  4. Look for AHCIor SATA mode.
  5. Enable AHCI or under SATA mode, set it to AHCI.
  6. Save and Exit BIOS.
2 Oct 2020

What is a standard SATA AHCI controller? ›

What is the SATA AHCI Controller? SATA AHCI is the way you can control every AHCI based storage drive connected to your computer via the BIOS interface of your system. You can optimize the handling of both SSD and HDD solutions with the Native Command Queuing, even if your computer uses both.

What is RAID mode and AHCI mode? ›

AHCI is a hardware-level architecture that enables systems to support the use of SATA disks. RAID is a logical disk structure that admins can create at either the hardware or the software level. Admins commonly create RAID arrays on top of AHCI hardware.

Which is faster RAID or AHCI? ›

That said, RAID is also available for SSD arrays but doesn't have a drastic impact on the performance. Since AHCI cannot operate in multi-disk configurations, RAID takes the stage in terms of read/write speeds as it divides the data between several drives, causing read/write times to go down.

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