Drive Docking Station for 2.5 / 3.5" SATA Drives - USB 3.1 (USB-A, USB-C) or eSATA

Dock and access your SATA SSD/HDD through high-performance USB 3.1 (10Gbps) or eSATA

Product ID: SDOCKU313E

4.3 stars (12 reviews) |
  • Connect and access a 2.5" or 3.5" SATA SSD/HDD over USB 3.1 Gen 2 or eSATA
  • Access drives at full speed with support for SATA I, II and III (up to 6Gbps)
  • Top-loading design with built-in ejection button for easy drive access
Your price

Connect and access any 2.5" or 3.5" SATA hard drive or SSD using this single-drive docking station, over a USB 3.1 Gen 2 (up to 10Gbps) or eSATA connection.

Supports USB 3.1 Gen 2 and eSATA for flexible use

Ideal for IT professionals, the docking station lets you access a SATA solid-state drive or hard drive quickly, for drive imaging, data recovery, and backups.

You can connect through either USB 3.1 Gen 2 or eSATA, and take advantage of the high performance of the latest SSDs and HDDs.

Top-loading design for easy drive access

The dock's vertical drive insertion makes it easy to dock and swap drives from your desktop computer or laptop. You simply insert your SSD or HDD into the drive slot at the top of the docking station, with no tools or trays required. The HDD ejection button allows fast and simple drive removal.

Convenient compatibility

The single-bay docking station comes with a USB Type-A to Type-C cable, for connecting to newer USB-C enabled devices. It also comes with a USB Type-A to Type-B cable, providing backward compatibility with your existing USB 3.0, 2.0 and 1.x devices. An eSATA cable is also included with the dock.

The docking station is also UASP compatible, for enhanced performance.

The SDOCKU313E is backed by a 2-year warranty and free lifetime technical support.


  • Get quick access to drives, ideal for system builders and IT professionals
  • Back up data quickly to an archive drive
  • Easily take backup data to an offsite location for safekeeping

Partner Numbers

  • UPC 065030863544


  • OS Independent logo
OS independent; No software or drivers required


Warranty Information Warranty 2 Years
Connector(s) 1 - Drive Connectors SATA Data & Power Combo (7+15 pin)
1 - Host Connectors USB 3.1 USB Type-B (9 pin, Gen 2, 10 Gbps)
eSATA (7 pin, Data)
Environmental Operating Temperature 5°C to 35°C (41°F to 95°F)
Storage Temperature -20°C to 50°C (-4°F to 122°F)
Humidity 20% ~ 80% RH
Hardware Interface USB 3.1 Gen 2
Bus Type USB 3.1 Gen 2 & eSATA
Number of Drives 1
Drive Size 2.5in & 3.5in
Compatible Drive Types SATA
Drive Installation Removable
Fan(s) No
Chipset ID ASMedia - ASM235CM
Indicators 1 - LED Indicators Power & Activity
Packaging Information Package Height 3.6 in [91 mm]
Package Length 6.7 in [17.1 cm]
Shipping (Package) Weight 30.4 oz [862 g]
Package Width 6.3 in [16.1 cm]
Performance Type and Rate USB 3.1 Gen 2 - 10 Gbit/s
UASP Support Yes
4Kn Support Yes
Type and Rate SATA III (6 Gbps)
TRIM Support Yes
Max Drive Capacity Currently tested with hard drives up to 16TB at 7200 RPM
Hot Swap Capability Yes
Physical Characteristics Color Black
Material Plastic
Product Length 5.7 in [14.5 cm]
Product Width 3.7 in [93 mm]
Product Height 2.5 in [6.3 cm]
Weight of Product 14.5 oz [410 g]
Power Power Source AC Adapter Included
Input Voltage 100 - 240 AC
Input Current 0.6 A
Output Voltage 12V DC
Output Current 2.0 A
Center Tip Polarity Positive
Plug Type M
Power Consumption (In Watts) 24
Software OS Compatibility OS independent; No software or drivers required
Special Notes / Requirements Note Windows 7 and earlier Windows versions do not support TRIM with USB to SATA devices.
What's in the Box 1 - Included in Package USB 3.1 & eSATA HDD/SSD docking station
universal power adapter (NA/JP, EU, UK, ANZ)
3.3 ft. [1 m] USB-A to USB-B cable
3.3 ft. [1 m] USB-C to USB-B cable
3.3 ft. [1 m] eSATA cable
quick-start guide



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Product Support

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We are always ready to assist you with any questions you may have.

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Frequently Asked Questions


  1. The drive may be damaged. Test with a known-working drive, or test the drive directly to a PC.
  2. 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.
  3. If the drives came from a RAID (Redundant Array of Independent Disks), they would not be accessible in our docking stations.
  4. If the drive uses 4Kn sectors, check the technical specifications of the docking station, and ensure it can read 4Kn drives.

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).

  1. To check Disk Management, press the Windows key + R, type diskmgmt.msc, and press Enter. Check to see if your hard drive is listed.
  2. 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.

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. 


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 if you would like to perform this operation.

Before You Buy

Yes, this device supports the TRIM command. If the OS issues a TRIM command, the command will be passed to the connected device.

To determine if your hard drive will work in this device, on the product page, click the Technical Specifications tab, and do the following:

  • Make sure that the device supports the storage size of your hard drive. If the storage size of your hard drive is larger than what the device was tested with, the hard drive will likely still work with the enclosure.
  • Confirm that your hard drive uses the same interface type as the device. For example, IDE, SATA, or M.2.
  • Make sure that the device supports the physical size of your hard drive, such as 2.5 inches or 3.5 inches.
  • Verify that the power consumption of your hard drive doesn’t exceed the power output of the device. If you’re using multiple hard drives, make sure that the combined power consumption of all of the hard drives doesn’t exceed the power output of the docking station.

Hard Drives

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.

  1. Press the Windows key + R, type compmgmt.msc, and click Run to open Computer Management.

  2. Navigate to Disk Management.

  3. 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:

  4. 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.

  1. Right-click Unallocated or RAW volume, and select New Simple Volume.

  2. In the New Partition Wizard, click Next.

  3. Select Primary partition.

  4. Leave the partition size set to default, and click Next.

  5. Assign a drive letter or leave it set to the default, and click Next.

  6. 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.
  1. 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:

  1. Open Finder.

  2. Navigate to Applications and click Utilities.

  3. Open Disk Utility.

  4. Select the new drive and click the Partition tab.

  5. Click Options and verify that it is set to GUID Partition Table.

  6. Enter a name for the partition.

  7. Click Partition.

The drive should now be accessible in Finder.

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Compliance and safety

Compliance letters

Safety Measures

  • If product has an exposed circuit board, do not touch the product under power.
  • If Class 1 Laser Product. Laser radiation is present when the system is open.
  • Wiring terminations should not be made with the product and/or electric lines under power.
  • Product installation and/or mounting should be completed by a certified professional as per the local safety and building code guidelines.
  • Cables (including power and charging cables) should be placed and routed to avoid creating electric, tripping or safety hazards.
*Product appearance and specifications are subject to change without notice.

Customer Reviews

(12 reviews)
4.3 out of 5 stars
  • 5 (8)
  • 4 (1)
  • 3 (2)
  • 2 (1)
  • 1 (0)
Tell us what you think of this product.
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1 - 12 of 12 Reviews
(2 Stars)


By: Noone21 - 08/13/2017
HD dock works well and as advertised. The only issue is it tends to make vibration noises from the folding cover. There is some minor humming due to vibration for the rest of the structure which can be felt to the touch.
| Helpful?
Brian, Customer Support on 8/18/2017 12:53:15 PM
Hi, Thanks for your feedback. We're sorry that the dock is causing some vibration noises while in use. This behavior is somewhat expected when using mechanical drives. These docking stations are more so intended for temporary use so hopefully its just a temporary inconvenience. We will definitely consider adding some material to cushion the folding cover for our future docking stations. Thank you
(4 Stars)

Great Device!

By: Rick60 - 09/22/2017
I connected this unit to an older laptop uisng the USB cable then swapped some SSD and IDE drives in/out. All but 1 of the IDE drives (older Segate model) where loaded, recognized and performed as if it was part of the laptop. I had the same result when connecting this to a workstation with the eSata cable. It was nice that no drivers were required. Will be handy when implementing new workstations. Disclaimer - I received this product in exchange for an unbiased review.
| Helpful?
(5 Stars)

Great dock, Great transfer speeds

By: macphot1970 - 10/01/2017
Another great dock from Startech. This unit allows you to mount 2.5 or 3.5 SSD or Hard drives easily. I found the connection to be solid with the drive connection and there did not appear to be any play to cause issue with connection. I found the cables supplied to be of a good quality and no issues at all could be found. I think this is a good solid build dock and should last for many years to come. No installation issues as I tested this with both my Mac and PC. This is a simple but well built dock. The transfer speeds were what you could expect from an external dock. "I received this product in exchange for an unbiased review"
| Helpful?
(5 Stars)

Solid Dock

By: edpoz - 10/03/2017
I am the computer guru in my extended family so I am constantly fixing issues with their computers. This dock makes it easy for me to backup the data before I do any work on it. It also allows me to scan it for issues and viruses as well. The dock feels solid and the cables that come with it are of good quality. It comes with three cables. Two for USB (USB to normal USB and USB to USB-C) and one e SATA cable. It also comes with multiple power plugs for different countries. Overall a solid product. I received this product in exchange for an unbiased review.
| Helpful?
(5 Stars)

Great USB Hard Drive adapter

By: Starr - 10/05/2017
This product is very simple to use. If you have a PC die but still need to retrieve data from the SATA drives then just plug them in to this device and your all set. What makes this even better is that it does not matter if it is a 2.5" or a 3.5" drive.
| Helpful?
(5 Stars)

Must have tool for any help desk or tech repair.

By: morty - 10/16/2017
We gave this to our help desk and they absolutely love it. They're using it to backup hard drives before re-imaging a computer. USB 3.1 is a plus as it's much faster than our older tool which was only USB 2.0. It came with a variety of cables so you can hook it up however fits your needs best. We're using the USB-C connection which transfers very fast. The whole product feels quality built. I received this product in exchange for an unbiased review.
| Helpful?
(5 Stars)

Fast, good build, cables included

By: Nick72 - 10/16/2017
Not much to say other than, "It works." The rotating cover that slides down with a 3.5" drive on the dock tends to buzz as the drive vibrates in use. A dab of silicone on the edge of that cover took care of that. eSATA performance was as expected. USB 3.1 seems like overkill on a device like this since it exceeds the drive speed anyway, so provided that didn't increase the price... :) The transfers over USB are fast. If the computer and the receiving/sending drive(s) can match, then this dock will give you max speed possible with the drives in question. It just works: tested with Macbook, Windows and Linux using USB 3.1, USB 3.0, and eSATA. I received this product in exchange for an unbiased review.
| Helpful?
(5 Stars)


By: Nivek - 11/22/2017
I use these all the time and this one works very well. Plug and play worked well and usb 3.1 speed is great.
| Helpful?
(5 Stars)

This device is a must for tech support!

By: sgto416 - 11/25/2017
PC or laptop will not boot due to faulty hardware? No problem - your data will not be lost. The 2.5/3.5" drive docking station connects to your PC / laptop and loads the hard drive as another drive so you access your coveted data! Connecting by usb or esata the transfer speeds do not disappoint. If there was a way to have the docking station powered over a usb cable without needing the power adapter that would be the only change I would make to this device. I received this product in exchange for an unbiased review.
| Helpful?
(5 Stars)

Works as Advertised

By: Barbiesmile - 04/12/2018
No dropped or drive not recognized. Anyone used it with a hard drive over 6tb?
| Helpful?
(3 Stars)

Works great, except for one important problem

By: SoundTech - 12/01/2018
Great for docking all kinds of drives and transferring data. Love the USB 3.1 and the eSATA feature. However, one thing I can NOT do is update firmware on Samsung SSD drives via eSATA. The Samsung Magician firmware insists the Samsung SSD drives are not genuine, and will not give the option to update the firmware. If I use a different dock with eSATA on the SAME SATA port on the SAME computer, the Magician software sees the SSDs as genuine, and I can update the firmware. No idea why this dock doesn't work for that. I tried updating the firmware, but that was just for the USB controller, and did not seem it impact the eSATA function.
| Helpful?
(3 Stars)

It's a Dock. It works. But...

By: Anon1 - 03/29/2019
Company ordered 4. 3 arrived with a rattling noise. The metal weighted plate inside had broken off the plastic standoffs for the screws. Replaced via CDW support. Just opened one of the replacements, same rattling, one of the standoffs broke a small part.
| Helpful?
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