Standalone Hard Drive Duplicator, Dual Bay HDD/SSD Cloner/Copier, USB 3.1 (10Gbps) to SATA III HDD/SSD Docking Station, Hard Disk Duplicator Dock, Hard Drive Cloner

Questions & Answers

I cannot duplicate a known working drive. How do I fix this?
Ensure there is no USB cable connecting the duplicator to a computer.

The data on my drive is not accessible. How do I fix this?
The drive may be damaged. Test with a known-working drive, or test the drive directly to a PC. The operating system on the computer may not support reading and writing to the file system on the docked hard drive or SSD. Remember, Windows cannot read Mac or Linux file systems. Also, macOS can read but not write to NTFS drives. If the drives came from a RAID (Redundant Array of Independent Disks), they would not be accessible in our docking stations. If the drive uses 4Kn sectors, check the technical specifications of the docking station, and ensure it can read 4Kn drives.

Everything is hooked up, but nothing is working. What do I do?
When you troubleshoot issues with a hard drive dock or duplicator, there are some quick tests that you can complete to rule out potential problems. You can test to make sure that the following components are working correctly and are not the source of the issue: IDE, SATA, and eSATA cables Hard drives Hard drive dock or duplicator To test your setup components, try the following: Use the cables, hard drives, and hard drive dock or duplicator in another setup to see if the problem is with the components or the setup. Use a different cable, hard drive, and hard drive dock or duplicator in your setup to see if the problem persists. Ideally, you should test a component that you know works in another setup. When you test the hard drive and hard drive dock or duplicator, it is recommended that you do the following: Note: For a hard drive duplicator you may need to switch the device to PC mode (if available). To check Disk Management, press the Windows key + R , type diskmgmt.msc , and press Enter . Check to see if your hard drive is listed. Do one of the following: If the hard drive is listed with unallocated space, the hard drive needs to be reformatted. Right-click unallocated and click New Simple Volume. Follow the on-screen instructions to complete the reformatting.​ Note: Formatting a hard drive erases all of the data on it. Make sure that you back up all of your data before you reformat the hard drive. If the hard drive is listed as healthy but does not have a drive letter, for example, C:, right-click healthy and click Change Drive Letter and Paths . Click Add , assign a drive letter, and click OK . Note: A formatted hard drive will not show up in Computer or My Computer until it has a drive letter assigned to it.

Why are my hard drives entering an idle state using this docking station?
This docking station allows the hard drive to enforce its own power state, as opposed to enforcing a power state that keeps the hard drive active at all times. Since most newer hard drives have low-power energy conservation modes, this will cause the hard drive to enter an idle state if it is not used for a certain amount of time.

Do I need to format my target hard drive before I begin to duplicate it?
You do not need to format your target hard drive before you begin to duplicate it, because the target hard drive is automatically overwritten during the duplication process.

How do I get the full size of my hard drive after a duplication?
The hard drive duplicator copies the exact partition from the source drive to the target drive. Since it is required that you use a target drive that is equal or larger in size than the source drive a portion of the target drive appears as free space. You can append free space to the live partition on the target drive so that the full size of the drive can be utilized. Note: A partition cannot be extended on an operating system drive that is in use. You must extend the partition when it not being used by the operating system, and ideally when it is still connected to the duplicator. Extend a partition on a computer running Windows Note: Do not extend a System Reserved partition. Only extend the primary partition, which is typically the largest in size and formatted with NTFS or FAT32. After you have successfully duplicated a drive and the target drive is still connected to your computer system (for example, through the duplicator), complete the following: Press the Windows key + R . Type compmgmt.msc and click Ok . In Computer Management , on the left side of the screen, click Disk Management . Find the target drive. It will most likely be at the bottom of the list, have a partition that is the same size as the source drive, and have an unallocated area on the drive. On the target drive, right-click the last partition on the right side of the screen and click Extend Volume . In the Extend Volume wizard, click Next . By default, the remaining drive area is the amount of space used. Click Next > Finish . The primary partition on the drive now uses the entire drive area.

Is the source hard drive modified during a standalone duplication?
StarTech.com hard drive duplicators only read from the source drive and only write to the target drives while in standalone duplication mode . A duplication that fails or halts will not cause a problem with the source drive.

Can I use this device to duplicate an internal hard drive?
You can use this device to duplicate an internal hard drive with the stand alone duplicator function if you remove the hard drive from the computer and connect it directly to this device.

What do I do if I am not achieving USB 3.1 speeds with my USB 3.1 device?
If your setup components support USB 3.1 but you are experiencing slower transfer speeds than you expected, consider the following: A USB host connection with multiple USB 3.1 ports might not be able to support 10Gbps on each port simultaneously. The type of port on a device does not determine whether the device is capable of USB 3.1 speeds. A USB-C port might not support USB 3.1 speeds, while USB-A and USB-B ports might support USB 3.1 speeds. Any other devices that you include in your setup, such as an older hard drive in a USB 3.1 enclosure, might create a point of congestion and slow down transfer speeds. To confirm the functionality of your USB host connection, its ports, and any other devices in your setup, refer to the information provided by the manufacturer. Note : USB 3.1 is also known as USB 3.1 Gen 2 (10Gbps). Devices that support USB 3.1 should have the USB 3.1 symbol on them. If the USB 3.1 symbol does not appear on your USB source or device, refer to the information provided by the manufacturer to confirm whether the USB source or device support USB 3.1.

When should I upgrade my device's firmware?
You should not upgrade your device's firmware if you do not have any issues with the functionality of your device. The only time you should consider an upgrade is if you are experiencing a problem with the device, and you have confirmed that the firmware addresses this problem. You can confirm this is the case by reviewing the documentation included with the firmware or by consulting with our Technical Support team. Incorrectly upgrading firmware can result in diminished performance so it is best to contact StarTech.com if you would like to perform this operation.

Can you copy a certain amount of GB from a larger source to a smaller target drive?
It is not possible to duplicate from a larger drive to a smaller one. The capacity of the target drive must be equal to or greater than that of the source drive.

How do I confirm that Windows detects my USB device?
To confirm that Windows detects your USB device, complete the following: Press the Windows key+ R , type devmgmt.msc , and press Enter . In Device Manager , under the appropriate heading, confirm that your expansion card is listed and that there isn't an exclamation mark next to it. For example, a USB controller card would be under Universal Serial Bus controllers . Your USB device is listed according to the name of the chipset. To determine the name of the chipset of your USB device, navigate to www.StarTech.com and look on the Technical Specifications tab for your product.

How can I check if my USB device is properly detected by Mac OS?
To confirm that the Mac OS detects your USB device, complete the following: Click the Apple icon. Click About This Mac . Click More Info or System Report . Under the appropriate heading, confirm that your USB device is listed and that there isn't an error. For example, a network card would be under Ethernet Cards . You may need to refresh the System Information page after you plug in your device. To do so, press Command + R with the System Information page open. Your USB device is listed according to the name of the chipset. To determine the name of the chipset of your USB device, navigate to www.StarTech.com and look on the Technical Specifications tab for your product.

Can I clone or duplicate an old IDE (PATA) hard drive using a drive duplicator?
It depends, some older IDE (PATA) hard drives are not supported by modern drive duplicators if they use legacy IDE standards. Explanation Older IDE hard drives, also known as PATA drives, may use legacy IDE standards that are not supported by all drive duplicators. This is more common with very old or low-capacity drives. If a drive duplicator does not support the IDE standard used by the hard drive, the duplicator may not detect the drive or may fail to start the cloning process. To isolate the issue: Test the duplicator with a newer, supported IDE (PATA) or SATA drive. If the newer drive is detected and duplicates successfully, the original IDE drive is not compatible. If the newer drive also fails, the duplicator may not be functioning correctly. Compatibility depends on the IDE (PATA) standard used by the hard drive and the standards supported by the duplicator. Very old IDE drives are not universally supported by modern duplicators.

Can StarTech.com drive duplicators perform sector-by-sector duplication between drives with different sector sizes?
No, StarTech.com drive duplicators require the source and target drives to have the same logical and physical sector sizes for sector-by-sector duplication. Explanation: StarTech.com drive duplicators copy data at the sector level, which requires identical sector configurations between the source and destination drives. Both drives must match in logical sector size and physical sector size. For example, 512n (512 native) and 512e (512 emulated) drives cannot be duplicated to 4Kn (4K native) drives, and 4Kn drives cannot be duplicated to 512n or 512e drives. An exception exists for 512n and 512e drives: these can be duplicated to each other because they share the same logical sector size, even though their physical sector implementations differ.

Do USB to SATA or NVMe adapters support TRIM on Windows, macOS, or Linux?
TRIM is supported on Windows only for select USB to SATA or USB to NVMe adapters. TRIM is not supported on macOS or Linux. Explanation: TRIM support for USB storage adapters is limited and depends on both the operating system and the specific product. On Windows, only select adapters support TRIM, and this capability is explicitly listed in the product’s Technical Specifications under the Performance section as “TRIM Support – Yes.” If this entry is not present, the product does not support TRIM. On macOS and Linux, TRIM is not supported for USB storage adapters due to operating system limitations in standard configurations. While some third‑party utilities on macOS or manual system modifications on Linux may enable TRIM in certain scenarios, these configurations are not supported. This limitation applies specifically to USB storage adapters and does not apply to SATA controller cards.

Why can’t a StarTech.com drive duplicator clone to a smaller drive or to another brand with the same advertised capacity?
A StarTech.com drive duplicator cannot clone to a smaller drive, and the target drive must have equal or greater sector capacity than the source drive, even if both drives have the same advertised size. Explanation: StarTech.com hard drive and flash drive duplicators use sector-by-sector cloning, which copies every sector from the source drive to the target drive, including empty sectors. This method requires the target drive to have at least the same total number of addressable sectors as the source drive. Drives with the same advertised capacity (for example, 500 GB) can have different actual sector counts depending on the manufacturer or model. A target drive with fewer sectors will not support the cloning process, even if both drives are labeled with the same capacity. Cloning performance is based on total drive capacity, not the amount of stored data. For example, cloning a 500 GB drive takes the same amount of time whether the drive contains 50 GB or 450 GB of data.

Can a StarTech.com hard drive duplicator clone solid-state drives (SSDs), and are there any limitations?
Yes, a StarTech.com hard drive duplicator can clone SSDs if the duplicator supports SATA drives, but repeated sector-by-sector cloning can reduce SSD lifespan. Explanation: StarTech.com hard drive duplicators are compatible with SATA-based solid-state drives (SSDs) because SSDs use the same SATA interface as traditional hard drives for power and data transfer. Any StarTech.com duplicator that supports SATA hard drives will also support SATA SSDs. StarTech.com duplicators use sector-by-sector cloning, which copies every sector on the source drive to the target drive, including unused space. This process results in a full read and write cycle across the entire SSD. SSDs have a finite number of write cycles. Repeated full-drive cloning or frequent sector-by-sector duplication can accelerate wear and reduce the overall lifespan of the SSD.

Can a StarTech.com hard drive duplicator clone encrypted drives or drives with HPA or EISA partitions, and why might cloning fail?
It depends: a StarTech.com hard drive duplicator can clone software-encrypted drives, but it cannot clone hardware-encrypted or BIOS-locked drives, and it typically cannot copy HPA or EISA protected partitions. Explanation: StarTech.com hard drive duplicators use sector-by-sector cloning, which copies all readable sectors exactly as stored on the source drive. Software-level encryption: Supported. The StarTech.com hard drive duplicator copies encrypted data as raw sectors without requiring decryption. Hardware-level encryption and BIOS drive locks: Not supported. These protections block access to sectors, preventing the StarTech.com hard drive duplicator from reading or writing data, which causes cloning to fail. HPA (Hidden Protected Area) and EISA partitions: Not supported in most cases. These protected regions restrict sector access, which can cause the duplication process to halt and fail. Select StarTech.com models (UNIDUPDOCK, SATDOCK22RE, SATDOCK4U3RE) provide support for copying HPA partitions. However, successful cloning depends on how the HPA partition is implemented and whether encryption is applied to those sectors.

Can a StarTech.com hard drive duplicator clone a failing or damaged hard drive with bad sectors?
No, a StarTech.com hard drive duplicator is not designed to clone failing or damaged drives, and cloning may fail if unreadable sectors are encountered. Explanation: StarTech.com hard drive duplicators use sector-by-sector cloning, which requires access to all readable sectors on the source drive. If the duplicator encounters a corrupt or unreadable sector, the cloning process typically halts and fails. Some StarTech.com duplicator models include a Read Error Skip feature, which allows the duplicator to bypass unreadable sectors and continue cloning. However, if the source drive contains too many bad sectors, the cloning process may still fail even with this feature enabled. StarTech.com hard drive duplicators are not data recovery tools. For drives with significant damage or corruption, specialized third-party data recovery software or dedicated recovery hardware is required to attempt data extraction.

Will my hard drive be compatible with a StarTech.com docking station or duplicator?
A hard drive will work with a StarTech.com docking station or duplicator only if the device supports the drive’s interface, form factor, capacity, and power requirements. Explanation: To confirm compatibility with a StarTech.com docking station or duplicator, review the product’s technical specifications and verify the following: Interface compatibility: The hard drive must match the supported interface (for example, SATA, IDE, or M.2). For M.2 drives, you must also confirm the protocol (SATA vs. NVMe) and keying (B-key, M-key, or B+M), as not all M.2 drives are supported by all devices. Form factor support: The physical size of the hard drive must match the device (for example, 2.5-inch or 3.5-inch drives). Capacity support: Specifications may list a “tested capacity.” Many modern devices can support larger drives, but compatibility beyond the tested capacity is not guaranteed and depends on the device chipset and firmware. Power requirements: The power output of the docking station or duplicator must meet or exceed the drive’s requirements. This is typically sufficient for single-drive docks from reputable brands, but it becomes critical for dual-bay or multi-bay devices, high-capacity drives, or older models. When using multiple drives, the combined power draw must not exceed the device’s power supply. Compatibility is ultimately determined by the hardware design and controller limitations of the specific StarTech.com docking station or duplicator, so reviewing official specifications is required to ensure proper operation.

What are the capabilities of USB 3.2 and USB4, and how do they differ from earlier USB standards?
USB 3.2 and USB4 are newer USB standards that provide higher data transfer speeds, improved bandwidth management, and expanded compatibility with modern devices and display technologies. USB 3.2 supports transfer speeds up to 20Gbps, while USB4 supports transfer speeds up to 40Gbps and adds advanced features such as Thunderbolt 3 compatibility on supported devices. Explanation: USB (Universal Serial Bus) standards have evolved over time to support faster data transfer speeds, increased power delivery, and improved compatibility across computers, storage devices, docking stations, displays, and peripherals. The USB naming convention has also changed over multiple revisions, which can cause confusion between older and current terminology. The following table summarizes common USB standards and updated naming conventions: Current USB Name Previous Naming Maximum Transfer Speed USB 2.0 USB 2.0 480Mbps USB 3.2 Gen 1 USB 3.0 / USB 3.1 Gen 1 5Gbps USB 3.2 Gen 2 USB 3.1 / USB 3.1 Gen 2 10Gbps USB 3.2 Gen 2x2 USB 3.2 Gen 2x2 20Gbps USB4 USB4 20Gbps Up to 20Gbps USB4 USB4 40Gbps Up to 40Gbps USB4 Version 2.0 Up to 80 Gbps (or asymmetric 120 Gbps) USB4 version 2.0 devices can support even higher bandwidths up to 80Gbps or 120Gbps in specific asymmetric configurations, depending on device support and certification. USB transfer performance depends on all connected components supporting the same standard, including: Host computer or controller USB cable Connected device or peripheral Adapters or docking stations in the connection path USB connector types and USB standards are separate specifications. For example: USB-C is a connector type. USB 3.2 and USB4 are performance and protocol standards. A USB-C connector can support different USB standards depending on the device design. USB4 introduces additional capabilities beyond raw transfer speed, including: Dynamic bandwidth allocation for video and data Support for multiple display protocols Compatibility with Thunderbolt 3 devices on supported hardware Improved tunneling for PCIe and DisplayPort traffic USB standards are generally backward compatible, but some limitations apply: USB-C ports require adapters to connect to USB-A or USB-B devices. USB 3.x and USB4 devices connected to older USB ports operate at the lower supported speed. Devices requiring higher power delivery or bandwidth may not function correctly on older USB standards. USB-B SuperSpeed connectors are not physically compatible with USB 2.0 USB-B ports. For maximum performance and compatibility, verify that the host device, cable, and peripheral all support the same USB standard and required feature set.

What is required to transfer data at USB 10Gbps speeds?
To achieve USB 10Gbps data transfer speeds, all components in the connection must support USB 10Gbps performance, including the host port, USB cable, connected device, and any internal subcomponents. Explanation: USB 10Gbps performance requires end-to-end support across the entire connection path, including: The USB host port on the computer or docking station The USB cable The connected USB device Any internal components that affect data throughput, such as storage drives inside a hard drive docking station USB 10Gbps is the current USB-IF naming convention for the specification previously called USB 3.1 Gen 2 and USB 3.2 Gen 2x1. If any component in the connection only supports lower USB performance levels, the entire connection will operate at the maximum speed supported by the slowest component. To confirm compatibility, check the technical specifications for the USB host port, cable, and connected device. Some devices may display USB SuperSpeed 10Gbps branding or equivalent USB 10Gbps markings.

Does the included USB cable support USB 10Gbps data transfer speeds?
Yes. The included USB cable has been tested and verified to support USB 10Gbps data transfer speeds. Explanation: The included USB cable is validated to operate at USB 10Gbps performance levels when connected to compatible USB host ports and devices. USB 10Gbps is the current USB-IF naming convention for the specification previously referred to as USB 3.1 Gen 2 and USB 3.2 Gen 2x1. Actual transfer speeds depend on the capabilities of the connected host device, USB peripherals, and the overall system configuration.

What DC barrel connector power plug types do StarTech.com products use, and what are their dimensions?
StarTech.com DC barrel connector plug types are defined in the “Plug Type” field of the technical specifications, using a letter code that specifies the connector’s outer diameter (OD) and inner diameter (ID) in millimeters for power adapter compatibility. Explanation: In StarTech.com technical specifications, the “Plug Type” field is a standardized identifier for the exact DC barrel connector size required to power a product. Each plug type is assigned a letter code that corresponds to a specific combination of outer diameter (OD) and inner diameter (ID), measured in millimeters. Common DC barrel plug type dimensions Plug Type OD ID A 2.35 mm 0.7 mm B 4.0 mm 1.7 mm C 4.75 mm 1.7 mm H 3.4 mm 1.3 mm L 5.0 mm 2.5 mm M 5.5 mm 2.1 mm N 5.5 mm 2.5 mm The DC barrel connector plug type must match both the outer diameter and inner diameter exactly. A mismatch between the StarTech.com product requirement and the power adapter connector can prevent proper fit or stable power delivery, which may result in device startup failure or intermittent operation. The plug type defines only the physical connector size. The plug type does not define electrical power requirements such as voltage, current, or polarity. The power adapter used with a StarTech.com product must match the product’s specified electrical requirements. Using an incompatible power adapter can cause device malfunction or permanent damage. This standardized DC barrel connector plug type system enables IT professionals and procurement teams to verify connector dimensions, ensure power adapter compatibility, standardize hardware deployments, and identify the correct replacement power supply for StarTech.com products.

How do I initialize a brand new hard drive in Windows or Mac OS?
Windows 10 Before you can access a new or formatted drive in your operating system, you need to initialize it first and then create a partition on the drive. A partition defines an area of the drive to use for storing data. The partition uses a file system (for example, ex-FAT, NTFS, and so on). Initialize a drive Note: You typically only need to initialize a drive if the drive is new. If you cannot find an uninitialized drive in Disk Management, skip the following steps and try to partition your device. Press the Windows key + R , type compmgmt.msc , and click Run to open Computer Management . Navigate to Disk Management . When prompted to, initialize your disk(s). If you are running Windows ® 7 or later and are using a drive larger than 2TB, initialize the disk(s) with GPT. If you are running an earlier version of Windows, initialize the disk(s) with MBR. For more information, visit the following FAQ: https://www.startech.com/en-us/support/faqs/technical?topic=harddrives#mbr-vs-gpt . Click OK . Create a partition in a drive Note: The following steps create an NTFS partition that uses the entire drive space. To use a different file system, select a different option in step 6. Right-click Unallocated or RAW volume , and select New Simple Volume . In the New Partition Wizard , click Next . Select Primary partition . Leave the partition size set to default , and click Next . Assign a drive letter or leave it set to the default, and click Next . Enter the following settings to format the partition: In the File System field, enter NTFS . Set the Allocation unit size to Default . In the Volume label field, enter < your name/reference >. Select the Perform a quick format check box. Clear the Enable file and folder compression check box. Click Next > Finish . The new drive should appear in Windows Explorer. Mac OS Before you can access a new or formatted drive in your operating system, you need to initialize it first and then create a partition on the drive. A partition defines an area of the drive to use for storing data. The partition uses a file system (for example, HFS+, ex-FAT, NTFS, and so on). Initialize a drive Mac OSX detects a drive that needs to be initialized and automatically prompts you to initialize the drive. If you are prompted to initialize the drive, click Initialize . If you are not prompted to initialize the drive and you cannot find the drive in Finder , you will need to create a partition on the drive. Create a partition on a drive Note: The following steps create an HFS+ (Mac OS Extended (Journaled)) partition that uses the entire drive space. To create a partition on a new drive, complete the following: Open Finder . Navigate to Applications and click Utilities . Open Disk Utility . Select the new drive and click the Partition tab. Click Options and verify that it is set to GUID Partition Table . Enter a name for the partition. Click Partition . The drive should now be accessible in Finder. For products related to this article, click here .