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Description
StarTech.com 4-Bay Backplane for U.2 Drives, Fits in a 5.25inch Bay, Mobile Rack for 2.5inch U.2 (SFF-8639) NVMe HDD/SSDs, Removable TraysThe StarTech. com 4 Bay Backplane for U. 2 drives is a compact, high density storage solution designed to maximize space in desktop workstations, servers, and storage enclosures. Built to fit in a standard 5. 25 inch bay, this mobile rack supports up to four 2. 5 inch U. 2 (SFF 8639) NVMe SSDs or HDDs, delivering dramatic increases in storage capacity without sacrificing performance or expandability. Its rugged construction and thoughtful design
The StarTech.com 4-Bay Backplane for U.2 drives is a compact, high-density storage solution designed to maximize space in desktop workstations, servers, and storage enclosures. Built to fit in a standard 5.25-inch bay, this mobile rack supports up to four 2.5-inch U.2 (SFF-8639) NVMe SSDs or HDDs, delivering dramatic increases in storage capacity without sacrificing performance or expandability. Its rugged construction and thoughtful design address the needs of IT professionals, content creators, gamers, and enterprise users who demand reliable, fault-tolerant storage in a small form factor. The backplane is engineered to simplify deployment, enable easy upgrades, and keep your drives secure with lockable, removable trays—so you can protect sensitive data and minimize the risk of accidental drive removal during operation. With a focus on ease of installation, robust signal integrity, and flexible compatibility, this backplane makes it straightforward to deploy high-speed U.2 storage in environments where space is at a premium.
- Four 2.5" U.2 drives in one 5.25" bay: Consolidate NVMe SSDs or NVMe HDDs into a single, space-efficient backplane, ideal for high-performance workstations, compact servers, and external storage enclosures.
- Removable, lockable drive trays: Each drive tray can be removed and locked to secure drives against tampering or accidental displacement, providing added protection for data in secure environments.
- Tool-less installation for rapid maintenance: The design supports quick drive installation and replacement, reducing downtime during upgrades, diagnostics, or field service.
- Durable, high-quality construction: Built to withstand demanding environments with a sturdy metal chassis and precise backplane connections to maintain signal integrity for NVMe performance across all bays.
- Easy integration into standard systems: Compatible with typical 5.25" front bays found in many desktops, workstations, and small form factor servers, enabling straightforward upgrades without custom adapters.
Technical Details of StarTech.com 4-Bay U.2 Drive Backplane
- Product type: 4-Bay U.2 drive backplane / mobile rack designed for a single 5.25" bay
- Drive compatibility: Supports 2.5" U.2 drives (SFF-8639) including NVMe SSDs and NVMe HDDs
- Bays: 4 independent drive bays for parallel NVMe storage expansion
- Front bay compatibility: Fits into standard 5.25" drive bays used in many desktops, workstations, and servers
- Drive trays: Removable and lockable trays for security and easy servicing
- Construction: Durable metal housing designed to provide rigidity, shielding, and reliable connectivity
- Connectivity: Provides four U.2 drive connections to the host system (SFF-8639 interface)
- Security: Lockable trays offer protection against accidental removal or tampering
How to install StarTech.com 4-Bay Backplane for U.2 Drives
Installing the backplane is a straightforward process that expands storage capacity while preserving system organization and drive security. Follow these general steps to ensure a clean, reliable deployment. Always consult your system’s hardware manual for any vendor-specific caveats or unique mounting requirements.
- Power down the host system completely and disconnect all power and data cables before handling components.
- Prepare an available 5.25" drive bay and, if included, the mounting bracket required by your chassis to ensure a secure fit.
- Insert the backplane into the 5.25" bay, aligning all mounting holes, then secure the unit with the appropriate screws to the chassis brackets.
- Open each drive tray, install a 2.5" U.2 (SFF-8639) NVMe SSD or NVMe HDD into the tray, and then close the tray, ensuring the drive is firmly seated and the latch is engaged.
- Slide the tray back into the backplane slot until it clicks into place, repeating for all four bays as needed. Use the locking mechanism on each tray if you require additional physical security.
- Reconnect the host cables or any included backplane connectors as specified by your storage controller or motherboard, then reattach power and data cables.
- Power on the system and enter the BIOS/UEFI or storage controller configuration utility to recognize the new NVMe drives and configure RAID or pass-through as required by your workload.
- Verify drive visibility in the operating system, perform a basic health check, and format or initialize the drives according to your storage strategy.
- Regularly monitor drive temperatures and ensure adequate airflow around the 5.25" bay to maintain NVMe performance and longevity.
Frequently asked questions
- Q: What drives are supported? A: The backplane supports 2.5" U.2 drives using the SFF-8639 interface, including NVMe solid-state drives and NVMe hard drives compatible with U.2 form factors.
- Q: Can I install four drives at once? A: Yes, the backplane is designed to hold up to four drives within a single 5.25" bay, enabling high-density NVMe storage in a compact footprint.
- Q: Are the drive trays lockable? A: Yes. Each tray includes a locking mechanism to help deter tampering and prevent accidental removal in active systems.
- Q: Is the backplane hot-swappable? A: The trays are designed for easy removal and replacement, enabling maintenance without extensive downtime; hot-swappable capability may depend on the host controller and system configuration.
- Q: Do I need a separate RAID controller? A: Depending on your use case, you may configure the drives as individual NVMe volumes or through a software- or hardware-managed RAID controller. The backplane itself does not include a RAID controller.
- Q: Will this backplane fit in my chassis? A: It fits standard 5.25" drive bays found in many desktops, workstations, and compact servers. Verify your chassis supports the size and mounting pattern before installation.
- Q: Do I need any special cables? A: You will use the appropriate U.2 cables/connectors supplied by your motherboard or storage controller to connect each drive channel through the backplane.
Shipping Notes
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Exchange/Return Notes
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- To process your return/exchange, please contact us at [email protected]
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4.4 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Ergonomic, Comfortable, and Highly Functional Mouse
Number of Items: 1
The Logitech MX Vertical Wireless Mouse is an outstanding ergonomic mouse that truly reduces wrist and forearm strain. Its vertical design feels natural and comfortable, even during long hours of use, making it a great choice for anyone concerned about repetitive strain or discomfort.
The mouse connects seamlessly via Bluetooth or the included USB receiver, and the ability to switch between three different devices is incredibly convenient for multitasking. The precision and smooth tracking make it excellent for both work and creative tasks.
Overall, this mouse combines comfort, functionality, and versatility in one sleek package. It’s well worth the investment for anyone looking to improve ergonomics and productivity.
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Reviewed in the United States on December 29, 2025
★★★★★ 5
Great mouse
Number of Items: 1
Definitely reduces fatigue. Easy to use. Great response with less space needed for mouse movement. Stays charged for months you actually forget to charge it, ask me how I know :). I play video games with it and never have any issues with the movement and response time of mouse. And since my car wreck where I broke my thumb this is the only mouse that gave me the same as before the wreck abilities to move and operate the mouse. Highly recommend. One very broken thumbs up :)
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Reviewed in the United States on May 31, 2026
★★★★★ 4
Experience after one year of usage
Number of Items: 1
I had mainly used a MX Master 2S before this and because of my heavy usage I did start to feel uncomfortable after a few hours of use every day and that's when I decided to purchase MX Vertical. Now after almost 9 months of usage this has become the mouse I use on a daily basis, completely replacing MX Master 2S.
Comfort: It took me about a day or two to really get used to using it because of the positioning and ever since then my wrist has never felt any discomfort, literally. I don't have a mouse pad but because of the angle that my wrist is contact with the desk when I use it, this has never been a problem. What I also love about the ergonomic design is that my hand can actually just rest on it when not doing specific tasks, and it just fits my palm perfectly.
Functionality: I don't use it for gaming so I can't comment on that. However, comparing it with my Master 2S, there are some very obvious disadvantages. If you use Excel sheets a lot, or anything that requires horizontal viewing, the scrolling option is terrible. You can set up the function key on Logi Options+ and I use the side buttons for scroll right+left mainly because how easy it was to use with the Master 2S's side scrolling buttons. It is not comparable at all. With Master 2s, horizontal scrolling is smooth and precise. With this, it's basically useless. There are sites that just aren't responsive to the side buttons and when they do, you can never get to the precise point you want. Huge disappointment with that because I don't really use the side buttons for anything else. There is also no scrolling control with the middle button unlike the Master 2S, so you can't really scroll vertically as fast as you can when using Master 2S either. However I do use the middle button sometimes to just do the job for me so I'm ok with its basic functionality.
The top button is mainly used as a look-up button for me, so far its working pretty well and honestly it probably makes not much difference if they just completely take this button out for me. Maybe some people can find use in it as a switch for scrolling or mouse speed, or something else. Overall, the customizability of these buttons is very good, and depending on personal use, I can see it being very useful.
Battery life: Battery life is fantastic, never had any problem with it yet. I haven't really kept track but with my heavy daily usage (probably 10+ hours with no intense gaming), it can usually go for more than a month. You can also use it while it's being charged.
Durability: I have unfortunately knocked it over the desk a couple times on hard vinyl floor and there seems to be no problem with it at all. Before purchasing this I saw some comments about how it stopped functioning after being dropped to the floor and I was really worried about it. However that is not my case at all. It is very durable in my opinion and does its job perfectly even after dropping it a few times.
Overall, extremely comfortable to use. It helped with my wrist pain tremendously and now I use it for hours without feeling any discomfort. The functionality is severely disadvantageous compared to Master 2s and 3s, and possibly other gaming mouses as well, but if you are here because of wrist pain, this is the right product.
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Reviewed in the United States on May 24, 2024
★★★★★ 5
Finally, a comfortable vertical mouse for guys with large hands!
Number of Items: 1
I've been using the Logitech MX Vertical Wireless Mouse for about 8 years now, and I love it. Any time I have to use a traditional mouse it's an uncomfortable disappointment.
If you haven't used a vertical mouse yet, there are a couple things you need to know.
First - this is just a normal mouse, but it's turned about 60-degrees to the right. This let's your hand rest on the mouse in the natural position your arm wants it to be in without any effort to rotate.
Second - you will knock it over, repeatedly, for a few weeks. Because you're used to a mouse that's a just an inch and a half or so tall, your natural movement from keyboard to mouse is going to be interrupted by the height of the MX Vertical. In time, you will get used to this, but for a week or two, you will knock it over when moving to the mouse, and when moving back to the keyboard. Don't worry, your muscle memory will change and this will stop.
Third - once you get used to using the MX Vertical, you won't want to use any other mouse. It's a dramatic change in ergonomics, and you will feel the strain your wrist and forearm are under any time you have to use a traditional mouse.
There are other verticals that are also great, but as a guy with large hands, this is the best I've found. I have 4 of these now - one at my office, one at my dining room table, one at my desk, and one that travels in my backpack. I don't need all of these, but its handy having them where I need them. Another reason for this is the mouse can pair with 3 devices. I have different devices in each of these locations, so it's handy not having to re-pair when I move between locations.
The MX Vertical fits my hand perfect, and all buttons are where my fingers and thumb are naturally positioned. I've dropped them, knocked them down, bumped and tossed them and they keep on working properly, so from a durability standpoint, this will last. It's easy to pair with a push of a button - working with my Windows computers, MacBook, android phone and iPad. This thing just works great!
The only downside I'd mention is the coating. After a couple of years, the coating tends to migrate where you apply pressure. This is most apparent where the thumb and pinky finger rest. This doesn't cause any functional issues, and is entirely cosmetic, but just be aware that after a couple years it won't look pristine.
All-in-all, this is the vertical mouse to buy if you're a guy with larger hands. Get one, get used to it, and you won't regret it.
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Reviewed in the United States on February 6, 2026
★★★★★ 5
Highly recommend! Best in the market bar none
Number of Items: 1
I would like to say this is the perfect mouse and probably the best mouse you could buy on the market and it doesn't even come close. You can modify the mouse however you like with a click on the app. It's truly been a life changing experience with this mouse. With that being said, the perfect mouse does have a few flaws but nothing that would make me not recommend it to anyone only just be aware of these things. 1. It's a vertical mouse, sometimes it gets in the way and your wrist will knock it over, it will happen I promise you. 2. Logitech has a Flow feature meaning you can connect the mouse to three different computers at once if need be, qyeah I'll say it again, three computers connection! Wow! Well I only use it for two computers, the Flow works flawlessly but my gripe is how it sometimes doesn't sync with my Logitech keyboard Ergo K860, unfortunately, the keyboard doesn't come with the same Flow feature meaning I have to depend on the mouse to do it and it doesn't work sometimes and I have to switch between the mouse transition button to the key board transition button which makes for a long headache sometimes. 3. Believe it or not connection is sometimes an issue, it losses Bluetooth connection often and it doesn't matter which computer I use I have the same issues at work and home so I use the dongle for straight connection. Oh wait there are issues with the dongle connection too? Say it ain't so? It is! The issue comes when you have two dongles like me, the keyboard and the mouse, and try to connect both, like I said I have two computers and Logitech will not allow for their ”universal dongle” to connect to two different computers at the same time terrible design flaw. 4. Again, this mouse is incredible but it can sometimes be a little too much incredible, I know, I know but hear me out. The mouse is flawless fast, one quick wrist jerk and that mouse pointer on the screen is jumping all over the place, it's been hard to find a happy medium with the pointer, it's either you adjust to slow it down, making it too slow, or adjust to make it fast, which is too fast, again no happy medium even though there are plenty of settings to toggle with. I believe most vertical mouse tend to be that way anyway only with this mouse you can really tell the difference and that could be a good thing or bad thing depending on your perspective, it's sometimes a bad thing for me on Excel sheets. So the final verdict is this is still the best mouse out there and worth every penny and I would still give this 10 stars if possible, it's been a wonderful experience with this mouse. Again, the negatives are not bad or to make someone not buy it and considering the other features this mouse can do I recommend anyone who works all day on a computer to buy this product I highly recommend it.
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Reviewed in the United States on July 28, 2021