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SABRENT

SABRENT 4-Bay USB 3.0 Hard Drive Docking Station, Clone (DS-U3B4)

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Availability: In Stock.
Fulfilled by Amazon
Arrives Tuesday, Oct 27
Order within 18 hours and 34 minutes
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Size: 4 BAY


Features

  • 4-Bay SATA Docking Station: Supports up to four 2.5 or 3.5 SATA HDDs and SSDs for data access, backups, and multi-drive management from a single dock.
  • USB 3.0 Host Connection: Connects to a computer via USB 3.0 for reliable file transfers up to 5Gbps, with backward compatibility for USB 2.0 systems.
  • Trayless Drive Design: Allows direct insertion of drives without trays or tools, simplifying setup and maintenance when the dock is powered off.
  • Offline Clone Function: Enables direct drive-to-drive cloning without a computer, with LED indicators displaying clone progress during operation.
  • Plug and Play Operation: Requires no drivers or software and includes an external power adapter for stable operation with multiple installed drives.

Description

Connect up to four 2.5” or 3.5” SATA HDDs or SSDs from one dock for backups, transfers, and storage management. Insert drives directly with no trays or tools. Designed for simple setup and easy drive changes when powered off. Works with both 2.5” and 3.5” SATA hard drives and SSDs in a single docking station. USB 3.0 connection delivers data transfer speeds up to 5Gbps and remains compatible with USB 2.0 systems. Multi-Drive Access Made Simple The SABRENT DS-U3B4 is a 4-bay USB docking station designed for direct access to multiple SATA drives from a single USB connection. It supports up to four 2.5” or 3.5” SATA HDDs and SSDs, making it ideal for backups, archiving, diagnostics, and multi-drive management. Trayless, Tool-Free Design Drives slide directly into the dock without trays or tools. This simplifies drive rotation and reduces setup time when working with multiple disks. Offline Clone Support The DS-U3B4 supports standalone offline cloning, allowing data to be copied from a source drive to a target drive without a computer connection. Ideal for fast duplication and recovery workflows. USB 3.0 Performance Connect via USB 3.0 for data transfer speeds up to 5Gbps, with backward compatibility for USB 2.0 systems. Designed for reliability across modern and legacy computers. Broad OS Compatibility Works with Windows, macOS, and Linux systems using plug-and-play operation. A dedicated external power supply ensures stable operation when multiple drives are installed. Does this docking station support offline cloning? Yes. The DS-U3B4 supports standalone offline cloning, allowing drive-to-drive copying without a computer. Does each drive have its own power switch? No. This model does not include individual power switches for each drive. Does the dock include a cooling fan? No. The DS-U3B4 does not include an internal cooling fan. Can I use both 2.5” and 3.5” drives together? Yes. The dock supports both 2.5” and 3.5” SATA drives simultaneously. Is this a RAID enclosure? No. This is a multi-drive docking station and does not support RAID modes. Sabrent is a leading provider of innovative consumer electronics. We are committed to designing and developing products that provide the utmost quality, dependability, and value. Sabrent strives for excellence with each product we develop by providing cutting-edge features at affordable prices. Our company thrives on creativity, innovation, honesty, and integrity in all aspects of our business operations.

Brand: SABRENT


Color: Black


Hardware Interface: USB 3.0


Compatible Devices: Desktops, Laptops


Total USB Ports: 4


Product Dimensions: 6.3"L x 4.72"W x 2.76"H


Number of Ports: 4


Item Weight: 16 ounces


Wattage: 78


Input Voltage: 240 volts


Hardware Interface: USB 3.0


Compatible Devices: Desktops, Laptops


Total Usb Ports: 4


Number of Ports: 4


Wattage: 78


Input Voltage: 240 volts


Item Dimensions L x W x H: 6.3"L x 4.72"W x 2.76"H


Item Weight: 16 ounces


Color: Black


Brand: SABRENT


Number of Items: 1


Global Trade Identification Number: 25


Unit Count: 1 Count


UPC: 819921016225


Item Highlight: 2.5"/3.5" SATA HDD/SSD; trayless; USB 3.0 5Gbps; offline clone function; 4 bay hard drive enclosure


Manufacturer: SABRENT


Built-In Media: Docking Station


Item Type Name: Hard disk docking stations


Model Number: DS-U3B4


Mfr Part Number: DS-U3B4


Warranty Description: 1 Year Limited


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Oct 27

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Similar Products

Top Amazon Reviews

    • Recovered old family photos from old hard drives my father had!
Size: 1 BAY
I picked up this docking station after helping my father set up his new all-in-one PC and I found a bunch of older computers and hard drives laying around his house. I brought all of the drives home with me so that I can go through all of them and make sure I save all of the pictures he’s taken over the years! This docking station was perfect since it can handle both 3.5” and 2.5” drives. It was pretty much plug and play when I first connected it to my computer. I have no issues with the processing speed, knowing some of the older drives aren’t going to be as powerful as newer SSD drives. It’s been very reliable and I haven’t had any issues accessing all of the drives I’ve attached so far. This became really handy when my Father-inLaw’s PC recently died (and he didn’t have a backup of his files). I pulled his Hard Drive out of his old tower and plugged it into the docking station, then downloaded all of his files on a 32gb thumb drive (older generation and not a lot of files!!) and took it back down to his house on our next visit. He was really happy to get all of his files back and I got to keep his 2 TB drive as a spare so I can use as my external backup drive to do monthly backups (I’m also using the Apple Devices app to download back up files from all of our devices to this drive since it has plenty of disk space). For my needs this has been the perfect solution for going through older drives to save information we didn’t want to loose - all of the pictures I’ve saved off of my dad’s old drives was well work the price of the docking station since there were hundreds of pictures from both sets of my grandparents that my father had scanned on these drives. I’m now exporting all of these pictures to thumb drives so that my sisters and cousins are getting copies of them. Some pictures my cousins have never seen and they whole family is so happy they have been saved. ... show more
Reviewed in the United States on May 25, 2026 by Gerald Jilbert
    • A good way to temporarily connect SATA drives to your computer
Size: 2 BAY
I regularly have a need to temporarily connect SATA HDDs or SSDs to my computer, either to pull off some data, to wipe them clean or to run a "burn-in" test on a new HDD. In the past I used a powered SATA to USB adapter and put the bare drive onto my table (or rather onto a mat on my table to minimize vibrations). This unit is the more sophisticated version of such an adapter and makes my desk look less like a lab and more like an office. The unit provides two SATA connectors to connect two drives in parallel and even the option to perform an offline copy from one drive to another (which I did not test). It comes with a manual printed in color on high-quality paper, however the only important info I took from there is that the drive(s) should be inserted BEFORE turning on the unit. That means that the unit apparently does not have hot-plugging/hot-swapping ability (or at least it isn't officially supported). The unit has a power switch and a clear plastic cover to protect the device from dust, while not in use. Unfortunately though that plastic cover has no cut-outs for the connected power and usb cable, so it looks a little slapdash on my desk. The unit also has some padded feet, however these are very thin and do no prevent vibrations from HDDs to transmit to your desk. As a consequence I will be buying some thicker adhesive rubber feet to mitigate this. After using the unit for a few days I can say that so far it has been very reliable. I used it to do read and write tests on two HDDs (4TB and 14TB) and it has performed well. I have connected the unit to a USB 3.1 gen 1 (5Gb/s) port on my computer, which is the maximum connection speed that this unit can operate in (so no point plugging it into a 10Gb/s port). However for HDDs the performance will be dictated by speed that the HDD can provide anyway. During a linear read and write test, the speed was as high as 260 MB/s for some parts of my 14TB HDD (a WD Red Pro), but - as expected - lower in other parts of the disk). For an old 4TB disk the read and write speed was 50MB/S, so this unit can definitely keep up with current HDDs. However in principle the 5Gb/s transfer speed on the USB 3.0 interface of the unit is 18% lower than what SATA III allows for (6Gb/s), though these are theoretical speeds. To test the limits of the transfer rate, I also tested this with a 2TB Crucial MX500 2.5" SSD, the highest transfer speed on a sequential read test was about 405 MB/s. CrystalDiskMark 8 showed max. sequential read speeds of 460 MB/s for reading 5 1GiB Blocks. So the interface is plenty fast with one drive installed, at least for my needs. However when running two WD Red Pro 20TB HDDs in parallel and running a sequential write on both at the same time, the data transfer speed dropped to 160 MB/s at the beginning of the disk, then slowly increased to ca. 190 MB/s about two thirds through and then dropped toward 125 MB/s at the end of the disk. So there is definitely some overhead, when using two drives at the same time. All in all I am very pleased with this unit so far. I would deduct half a star for the clunky cover and the thin feet, but at 4.5 stars a round-up to 5 stars seems more fair than a round-down to 4 stars. I have some more HDD burn-in testing to do in the coming days, and I will update this review, if my view on this unit materially changes. ... show more
Reviewed in the United States on January 8, 2025 by tangofan
    • Recommended. Pretty impressive little tool.
Size: 2 BAY
VERY Impressed..... This cloned my 1T Linux Mint fully encrypted HDD to a 2T fully encrypted Linux Mint SSD drive offline :D It showed visual status of cloning progress too. It's important that you don't disconnect in the middle of cloning because that will very likely cause a mess! No matter what OS you are cloning, I would recommend this SABRENT USB 3.0 to SATA I/II/III Dual Bay External Hard Drive Docking Station for 2.5" disks (I didn't try it on 3.5" but it looks like it would fit). For me, the functionality was spot on. It's plastic, so lightweight, but did it's job. It's a device that is meant to sit on a flat surface and not something that moves around so sturdiness was not a concern. The disks plugged in correctly, and connected well. Background: I wasted SO much time trying to do this clone with cloning software! By doing this offline with this little machine I didn't have to deal with all the conflicts & issues or dealing with cloning software that made a mess of everything. Windows OS wants to control everything, so it's better to take any Windows OS drive out, clone the Linux drive, install the newly cloned Linux drive and then add back the Windows OS if you want them to live in the same computer. Be patient - My Linux Mint OS install HDD was less than a month old so the disk was not at all full (I was testing out the OS on my older HDD first to see if I liked the version first). The entire cloning process took a little over 13 hours to clone the 1T HD to a larger 2T SSD, but like I said, everything was encrypted and the SSD was wiped a few times prior to this trying the annoying cloning software that didn't work. I have worked on UNIX/Linux operating systems all my career - however I would never have thought to switch to Linux OS on my laptop if it weren't for Microsoft ending support of Windows10. I can't stand Windows 11 with everything in my face and no privacy. I'm now looking forward to using this on other OS disks (Windows and Linux) and as a docking station. It's definitely worth the price :) ... show more
Reviewed in the United States on March 1, 2026 by TI-NB
    • Good enough
Size: 2 BAY
Works fine. The plastic housing is a little thin and the on-off switch feels a bit wonky so I wouldn't trust this item for heavy use.
Reviewed in the United States on October 1, 2026 by Piiaxi
    • Works well, with one minor reservation.
Size: 4 BAY
Review Image by DukeFan
This item was delivered on time and was not packaged in an Amazon box, which was surprising. Nonetheless, the Sabrent package is as sturdy and professional as I have come to expect from the brand. Short version: This docking station worked just as I expected. The 4 HDDs I inserted into it were recognized immediately by the OS (Windows 11 Home) exactly as they were when they were installed in the PC the docking station is now connected to. My only complaint is that the slots that the drives sit in are not suited for slim profile drives. I had to insert a small piece of cardboard into the slot along with the one slim profile HDD (first drive on the right in the photo) to help it stay upright. Other than that, I am satisfied and will continue to use Sabrent equipment for my PC and network needs. Long version: I have been building my own PCs for years with great success. The current iteration uses a Gigabyte motherboard mounted in an Antec gaming tower enclosure with three SATA drives installed in addition to two M.2 drives, one of which hosts the OS. When I decided that I needed more drive space and there were not enough power plugs on the existing power supply to accommodate an additional HDD, I decided that a docking station was the way to go. Since I have been using Sabrent networking accessories for years, it was the logical choice. I currently use a Sabrent USB hub attached to my TP-Link router to share 4 "My Passport" drives on my home network and it works well. When this docking station arrived, I removed the 3 HDDs from the PC, mounted them in the dock along with the fourth drive, and powered the system back up. The drives were recognized in the same configuration as they were when mounted in the PC. I did make sure the drives were mounted in the dock's slots (A, B, C, and D) in the same order as they were connected to the PC's SATA slots (0, 1, 2, and 3). I'm not sure that was necessary, but it seemed reasonable to me. Subsequently, the drive shares show up on the other PCs on the home network just as they were before the installation of the dock. That is exactly what I was expecting. As a bonus, my PC now seems to run cooler without having to contend with powering the HDDs and dealing with the heat they generate, which is now dissipated into the air. Highly recommended. ... show more
Reviewed in the United States on June 20, 2025 by DukeFan
    • Does a great job in offline mode...
Size: 2 BAY
Worked great when I cloned over my Windows 10 250 GB SSD to a larger 1 TB SSD and all done in offline mode. Meaning not needing to connect to a computer at all. I think I had 150 GB of data on the original SSD and it took maybe 5-6 minutes, though I wasn't really timing it, so it could have been a bit more. =P Overall, I highly recommend this for anyone needing to offline clone any SSDs. I haven't tried any online cloning or and HDDs, so can't speak for those. P.S. Oh, just to be safe, I plan to plug it in once a month just in case, even if I don't ever use it again. Though I probably will at some point as SSDs at some point. If may be an unnecessary step, but better safe than sorry right? :) ... show more
Reviewed in the United States on October 3, 2026 by K. T.
    • Does exactly what it's supposed to. Works!
Size: 2 BAY
This little jewel saved my butt! I had a production CNC machine that has been chugging along for 22 years now. Minding it's own business in the corner of the shop. Then one day the hard drive stopped spinning up. About every 20th time, it would boot up. This duplicator was able to clone this dying hard drive after about 15 tries and finally getting it spun up. Copying the drive was as simple as putting the original in the A slot and a new donor drive in slot B. Hold down the clone button until it shows blue, and then once more to confirm. It took about 3 hours to copy a 1TB drive and it WORKED PERFECTLY! If I never use this device again, it earned a place on my shelf. Good construction, easy to use... and WORKS! Thanks again Sabrent! ... show more
Reviewed in the United States on August 25, 2026 by Mike Hood
    • Great product
Size: 2 BAY
Worked excellently and good price
Reviewed in the United States on October 1, 2026 by AE

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