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Description
Lenovo ThinkSystem RAID 940-8i 4GB Flash PCIe Gen4 12Gb AdapterThe Lenovo ThinkSystem RAID 940 8i is engineered for enterprise grade performance, reliability, and scalability in demanding data center environments. This high end RAID controller brings together a robust hardware cache, a PCIe Gen4 data path, and advanced RAID protection to accelerate storage operations while safeguarding your organizations most critical data. Built to integrate seamlessly with Lenovo ThinkSystem servers, the 940 8i empowers mission
The Lenovo ThinkSystem RAID 940-8i is engineered for enterprise-grade performance, reliability, and scalability in demanding data-center environments. This high-end RAID controller brings together a robust hardware cache, a PCIe Gen4 data path, and advanced RAID protection to accelerate storage operations while safeguarding your organization’s most critical data. Built to integrate seamlessly with Lenovo ThinkSystem servers, the 940-8i empowers mission-critical databases, virtualization workloads, analytics platforms, and large-scale deployments with faster I/O, smarter data management, and improved resilience.
- 4GB of flash-based cache accelerates both read-heavy and mixed-workload traffic, delivering lower latency and higher throughput for bustling data centers.
- PCIe Gen4 interface unlocks greater bandwidth and more efficient data transfer, helping storage arrays respond quickly to rapid workload spikes.
- Hardware-accelerated RAID engine provides robust data protection, supporting multiple RAID levels and hot-spare configurations to minimize downtime and data risk.
- Designed for seamless scalability, allowing growth in cache and capacity to accommodate expanding databases, virtual machines, and workloads without compromising performance.
- Effortless integration with Lenovo ThinkSystem management tools and servers, enabling simple deployment, monitoring, and maintenance through familiar consoles.
Technical Details of Lenovo ThinkSystem RAID 940-8i 4GB Flash PCIe Gen4 12Gb Adapter
- 4GB flash-based cache for accelerated I/O and improved read/write performance
- PCIe Gen4 host interface delivering higher bandwidth and lower latency for fast data paths
- Enterprise-grade RAID controller optimized for demanding data-center workloads
how to install Lenovo ThinkSystem RAID 940-8i 4GB Flash PCIe Gen4 12Gb Adapter
Installing the Lenovo ThinkSystem RAID 940-8i is straightforward and designed to minimize downtime in busy data centers. Follow these general steps to install and configure the card safely and effectively:
- Power down the server, unplug all power sources, and ground yourself to prevent static discharge before handling any internal components.
- Open the chassis and locate an appropriate PCIe expansion slot that supports enterprise-grade add-in cards; ensure there is enough space around the card for airflow and cooling.
- Insert the RAID controller into the PCIe slot until it seats firmly, then secure the bracket with a mounting screw to hold it in place.
- If required by your server configuration, connect any supplementary power or cables specified in the system manual or the card’s installation guide.
- Power on the server and enter the system BIOS/UEFI or Lenovo ThinkSystem management tools to recognize the new device. Update the firmware and drivers to the latest versions available from Lenovo/ThinkSystem support.
- Initialize the card in the management interface, creating a baseline configuration. Set up the desired RAID levels, cache policies, and hot-spare configurations according to your workload requirements.
- Connect your storage devices to the RAID controller as needed, then create logical drives and arrays. Verify data integrity and perform a quick test to ensure performance aligns with expectations.
- Document the configuration, including firmware levels, cache settings, and RAID layouts, to simplify future maintenance and troubleshooting.
Frequently asked questions
- What workloads is the Lenovo ThinkSystem RAID 940-8i best suited for? It’s designed for enterprise workloads such as databases, virtualization, business analytics, and large-scale data services that require high I/O throughput, robust protection, and scalable caching.
- Does the 4GB cache mean faster performance for all applications? The 4GB flash-based cache accelerates frequently accessed data and hot reads, improving latency and throughput for many workloads. Actual gains depend on workload characteristics and data access patterns.
- Is PCIe Gen4 required for optimal performance? PCIe Gen4 provides higher bandwidth and lower latency, enhancing overall performance. The controller remains compatible with Gen3 platforms, but Gen4 delivers the best results when paired with compatible servers and storage.
- Can I manage the RAID configuration with Lenovo tools? Yes. Lenovo ThinkSystem RAID management tools, including ThinkSystem Storage Manager and XClarity, are designed to simplify deployment, monitoring, and maintenance of the 940-8i.
- What kind of protection does the controller offer? The card provides hardware-accelerated RAID capabilities with support for common RAID levels, redundancy features, and hot-spare options to minimize downtime and protect data.
- Where can I find drivers and firmware? Drivers and firmware updates are available through Lenovo’s official support portal for ThinkSystem hardware. Regular updates help ensure compatibility and performance with the latest storage technologies.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.2 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 5
Works
Size: 3 Panel-102'', Color: Beige, Size: 3 Panel-102'', Color: Beige
It’s beige and not white. Once install - hard to disinstall. Need a drill to put it together
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Reviewed in the United States on May 4, 2026
★★★★★ 3
Does the job, but assembling by yourself is a nightmare
Size: 4 Panel-88'', Color: Black
Does it do the job? Yes, although as others said there are small gaps but it's not a huge deal. The price is also good. But the reason I'm giving it a 3/5 is simply because the assembly for this was a complete nightmare. I honestly don't think I would recommend this to anyone unless they have another person to help them assemble it, because doing it by myself was terrible. I don't think I'd buy this again, I think I'd opt to just spend a bit more money and save myself the trouble personally.
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Reviewed in the United States on May 29, 2026
★★★★★ 4
Reasonably adequate room divider
Size: 4 Panel-88'', Color: Beige
I'm reviewing this as I assemble it.
Couple things:
1. I didn't expect as much assembly. I've ordered dividers before and they more-or-less came as one unit. Sometimes the panels needed screwing together. These require complete assembly and come largely as three rods: two make up vertical columns and snap together. Another one (called part "C") makes the horizontal columns and you have two of these per panel (one attaches to part "A" and the other part "B"). These parts are metal with a plastic shim. Using the wood screws to attach to part "C" is a real pain in the neck. There's not much holding the panel in place so it's a little tricky.
One tactic I've found while I'm assembling that works for the initial connections from parts A and B to their respective "C" rods is to hold the screw in place with a screw driver and then rotating the rod around the screw. This will do a number on your hands if you aren't wearing gloves. This obviously doesn't work when completing the connection.
Using a driller driver on this is really near impossible because there isn't anything you can use to secure it in place. You can use it on the first panel, but as it gets longer, it becomes increasingly difficult and because it isn't wood, it's really tight. I considered drilling larger pilot holes but since there are only 4x4=16 screws I need to screw in, I just decided to use my screw driver to complete it.
2. Also related to assembly. When completing the panels (attaching parts "A" and "B" to parts "C" that have the cloth cover on it), you have to be careful that when you tighten that side that it isn't loosening the other side. Because the pilot holes are so tight, you can end up rotating the rod, which rotates it in the same direction as looser on the original side. Having someone hold the "C" rod in place while you screw it in is probably the easiest approach. I didn't have a 2nd person, so I just had to keep flipping back and forth and tightening both sides as I screwed it in. Not the worlds biggest deal, but annoying nonetheless.
3. The way the instructions are written, they seem to suggest building this thing progressively; that is, you do panel 1, then 2, connect them together, then do 3 and connect it, etc. I took a different route that I suspect saved me quite a bit of trouble, and I assembled all four panels first and THEN connected everything together.
4. For the love of God make sure you check that the plastic tip is on the same side for every panel. Otherwise, you have to take one side apart again and reverse it. On the bright side, if this happens, you've essentially bored out the pilot holes to be the correct size... which is having me question if I shouldn't have just bored them out to the appropriate width in the first place.
5. Attaching all of the panels together is also an enormous pain in the ass unless you happen to have an 88" long elevated surface. Attaching the legs either requires you to elevate one side, which will invariably twist the inexplicably cheap material in the bottom connectors... or you can attach them sideways... or you can put this thing upright, having two people hold the panels in place while you use the allen wrench to tighten the bolts on the underside. None of those are particularly great options.
NOW on to the utility itself.
1. The panels do let some light through (I didn't believe their advertising, and that was one of the reasons that I bought beige, is that I wanted it to not be too dark). They aren't transparent though, so it isn't that far off from their description. They functionally work great, and keep the mess of wires hidden and when I'm sitting at my desk, actually reflect quite a bit of light into my office. Great!
2. My wife has described these as "the most hideous piece of furniture ever conceived of by man." So it does not have spouse approval factor. Granted, she will seldom be in my office area, so that isn't the end of the world.
3. These are really hard to align in a way that doesn't look a little tacky. There are some plastic connectors but they don't do a bang up job of keeping these in place. Each panel is slightly tilted and it's... quite obvious. I may at some point make my own improvements to these to help make them more level. It's not a particularly expensive product so I wasn't expecting much so it's fine and I'm not going to ding them on the rating because of it.
All said, would I buy this product again? Probably not. It's assembly was ~90 minutes which is about 75 minutes longer than I was anticipating spending on this (not including the 5 minute writeup that I'm doing here). But am I going to return it? Also no, if for no other reason I'd be just as annoyed taking it apart and putting it in the original box to return it.
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Reviewed in the United States on October 31, 2023
★★★★★ 5
Great product
Color: Black, Size: 4 Panel-88''
Literally exactly what I was needing
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Reviewed in the United States on May 1, 2026
★★★★★ 5
It's good...
Color: Black, Size: 4 Panel-88'', Color: Black, Size: 4 Panel-88''
It's good....took about 45 minutes to put together. No issues. Looks great...made the wife happy....
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Reviewed in the United States on May 14, 2026