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Description
Lenovo ThinkSystem RAID 940-8i 8GB Flash PCIe Gen4 12Gb AdapterThe Lenovo ThinkSystem RAID 940 8i is a high performance RAID on Chip (ROC) adapter designed to deliver enterprise grade reliability, scalability, and speed for data center servers. Built around PCIe 4. 0 with 12Gbps SAS connectivity, this controller connects the host server to internal drives with exceptional throughput, low latency, and uncompromising data protection. Engineered for demanding workloads such as database acceleration, virtualization,
The Lenovo ThinkSystem RAID 940-8i is a high-performance RAID-on-Chip (ROC) adapter designed to deliver enterprise-grade reliability, scalability, and speed for data-center servers. Built around PCIe 4.0 with 12Gbps SAS connectivity, this controller connects the host server to internal drives with exceptional throughput, low latency, and uncompromising data protection. Engineered for demanding workloads such as database acceleration, virtualization, analytics, and mission-critical applications, the ThinkSystem RAID 940-8i blends robust cache, RAID versatility, and advanced management into a single, compact PCIe card that fits seamlessly into Lenovo ThinkSystem servers as well as compatible enterprise platforms. With 8GB of flash-backed write cache (FBWC), RAID-on-Chip logic, and a rich set of reliability, availability, and serviceability (RAS) features, this adapter is designed to minimize downtime while accelerating read and write operations across drive arrays.
- Exceptional performance and connectivity: PCIe Gen4 interface with 12Gbps SAS support provides fast, predictable data transfer between the host server and internal drives, helping to maximize IOPS and bandwidth for mixed read/write workloads.
- Comprehensive RAID support: Offers a full suite of RAID levels—0, 1, 5, 6, 10, 50, 60—to tailor data protection and capacity to your workload, from simple speed to multi-drive resilience and rapid rebuilds after disk failures.
- 8GB flash-backed write cache (FBWC): Delivers enhanced write performance and protection against data loss during power interruptions, improving consistency and reducing rebuild times in large arrays.
- Robust management and reliability: Integrated RAS features, firmware update capabilities, and seamless management through Lenovo ThinkSystem tools, including XClarity Controller integration for proactive health monitoring and remote administration.
- Broad server compatibility and easy deployment: Designed for Lenovo ThinkSystem servers and other enterprise platforms that support PCIe 4.0 ROC cards, with straightforward installation and ongoing support for firmware updates and compatibility.
Technical Details of Lenovo ThinkSystem RAID 940-8i
- Product type: RAID-on-Chip (ROC) PCIe 4.0 SAS RAID controller
- Form factor: PCIe card compatible with standard server PCIe slots
- Interface: PCIe Gen4 with robust SAS connectivity for internal drive backplanes
- Storage interface: 12Gbps SAS (SAS-3) bandwidth to drives
- Cache memory: 8GB flash-backed write cache (FBWC) for data protection and accelerated writes
- RAID levels supported: 0, 1, 5, 6, 10, 50, 60
- Internal ports: 8 SAS/SATA channel connections to drive trays or backplanes (depending on system configuration)
- Management and monitoring: integrated with Lenovo XClarity Controller and ThinkSystem software for health monitoring, alerts, and updates
- Reliability features: RAID-on-Chip architecture with protection features, cache protection, scrub/rebuild controls, and alerting capabilities
- Power and heat: designed for data-center environments with efficient power usage and thermal management suitable for dense server configurations
how to install Lenovo ThinkSystem RAID 940-8i
- Prepare the server: Power down the system and unplug from power. If you are working in a data-center rack, ensure you follow your facility’s ESD precautions and labeling guidelines.
- Remove the chassis access panel and locate an available PCIe slot that matches the card’s interface. The ThinkSystem RAID 940-8i typically fits PCIe 4.0 x8 or higher slots; verify slot compatibility in your server’s maintenance manual.
- Insert the RAID controller into the PCIe slot firmly, ensuring the connector seats completely. Secure the card with the chassis screw to prevent movement during operation.
- Connect internal SAS/SATA cables: attach each drive backplane or directly linked drives to the 8 internal SAS ports on the card, following the server’s cabling plan. Route cables neatly to avoid blocking fans or obstructing airflow.
- Power up the server and enter the RAID configuration utility: on boot, access the on-board ROM/BIOS prompt (often via a dedicated hotkey displayed during POST). Use the RAID utility to create and configure arrays, assign cache policies, and enable FBWC protections if offered by your firmware.
- Install or update firmware and management software: download the latest firmware and drivers from Lenovo’s support site and apply them through the server’s management interface or a connected management station. Enable monitoring via XClarity for proactive alerts and health checks.
- Configure volumes and initialize arrays: create logical drives with appropriate stripe sizes and RAID levels, assign names, and set up hot-spare policies if your configuration requires them. Run consistency checks and verify data integrity after initialization.
- Validate performance and reliability: perform basic I/O benchmarks (read/write tests) and monitor temperature, fan speeds, and power consumption. Ensure the system alerts are configured to notify administrators in case of drive failures or degraded arrays.
Frequently asked questions
-
Q: What workloads is the Lenovo ThinkSystem RAID 940-8i best suited for?
A: It is well-suited for data-intensive server environments such as databases, virtualization clusters, business intelligence workloads, and high-throughput file services where fast, reliable RAID performance and robust data protection are essential. -
Q: How much cache does it include and what protection does FBWC provide?
A: The card includes 8GB of flash-backed write cache (FBWC). FBWC protects cached data during unexpected power interruptions, helping to prevent data loss and maintain data integrity while improving write performance and smoother rebuilds. -
Q: Which RAID levels are supported?
A: The controller supports RAID 0, 1, 5, 6, 10, 50, and 60, offering a spectrum of performance and protection options for various application requirements and drive configurations. -
Q: Is this card compatible with non-Lenovo servers?
A: Yes, it is designed to work in enterprise servers that support PCIe 4.0 ROC cards and SAS backplanes. Always verify driver and firmware compatibility with your specific server model and operating system. -
Q: How do I manage the card afterward?
A: Management is integrated with Lenovo ThinkSystem software and XClarity Controller. You can monitor health, configure arrays, apply firmware updates, and receive proactive alerts through a single, centralized interface. -
Q: Do I need a driver to use the RAID 940-8i?
A: Operating systems such as Windows and Linux typically include support for these devices, and Lenovo provides drivers and management software to ensure optimal performance and compatibility.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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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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4.2 ★★★★★
Based on 824 reviews
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Product Reviews
★★★★★ 5
This is Willow The Dog’s favorite toy!
There is not much that needs to be said about this, frankly, amazing dog toy find.
After about 6 months, Willow absolutely loves this seemingly indestructible, soft stick toy. She was born a stick dog and has always enjoyed fetch with tree limbs, balls, frisbees…And like most dogs, loves tug-o-war and chewing.
I thought I was buying a <$4 toy stick that I expected my girl would destroy fairly readily. What I actually received was something that didn’t really match the description because it had MORE features and uses than I expected.
Anyway, the short of it is in the video.
What she loves:
Fetching:
I don’t know how dogs see colors, but I can confirm that my dog finds this toy highly visible day and night. This claim is based on my observations of how she retrieves this toy compared to real sticks, yellow and blue tennis balls, a large real bone, and rope toys both night and day, as I work late, so much of my one on one time with our pup happens around midnight to 1am with no outdoor lighting so we don’t disturb sleeping neighbors as much. Additionally, I find this toy highly visible in all conditions, which would make finding it in the grass after Willow is worn out and goes inside easier, except that she loves the toy so much that she always brings it in with her.
Tug-o-war:
Being a soft, ultra-durable material, this toy eagerly pulls double duty as a tugging toy. Dog teeth sink into the orange material by compressing it. They do not puncture the orange part, or at least not that I’ve noticed while casually examining it, making this toy last indefinitely, so far as I can tell. The size of the stick is roughly an inch in diameter and maybe ≈14-16” long, so it is, I think, a perfect size for my medium sized Australian Shepherd’s mouth. She can grip it solidly in her back teeth, side teeth, front teeth, and even if she has only two or three teeth in just a corner, she can always get a good, comfortable grip. No sharp, jagged edges of frayed plastic to abrade or irritate the inside of Willow’s mouth, gums, or cheeks and no orange material breaks off and gets swallowed. The blue material is somewhat more rigid, like a plastic, BUT is still fairly soft and while it does show some bite marks, it is still quite durable and is, I will estimate, at least 95% intact after about 6 months of average three or four 15-20 minute sessions each week. Additionally, the size happens to be perfect for my large hands, but also feels like it is appropriately sized to be easily manageable by most people. This toy is VERY flexible and gives both Willow and I excellent maneuverability and pulling left to right and up and down and back and forth and to and fro as violently and aggressively as we can manage with out the rigidity of other objects shifting uncomfortably in her mouth or my hand. The stick is long enough to accommodate both my large hand and her mouth, even both of my hands on either end with her biting in the middle.
Chewing:
This not Willow’s favorite chew toy, but to be fair, it isn’t really marketed as a chew toy, so I feel the degree to which it fulfills that function is “good”, which I consider to just be an added bonus feature AND an extremely good value for the money. Anyway, she brings it inside when we are done playing outside and chews on it occasionally, apparently when she wants a break from her seemingly endless and evidently boring selection of toys, enrichment gadgets, kids, neighboring dogs, and family cats.
Summary:
At $4, even if your dog picks it up and walks on her or his hind legs to dispose of it immediately upon presenting it to them, it will be worth it just to see that, but if your dog loves it as much as mine, you might, like me, be so pleased with it's contribution to your dog’s life, you may start doubting your sanity when the strangest thought creeps into your head as you actually consider “refunding the seller” by sending them an additional $3.94 because they absolutely deserve to be paid more for this wonderful toy.
Enjoy!
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Reviewed in the United States on February 8, 2026
★★★★★ 5
Perfect Toy
My dog loves this ! It is very sturdy, very strong, but flexible. It feels soft, but seems chew proof, even for my 100 pound Cane Corso. The stick shape is more practical than a ball; it doesn't roll off or get lost under furniture.
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Reviewed in the United States on May 29, 2026
★★★★★ 5
Good toy, strong yet soft!
This was one of my best toy purchases for our GSD! He’s a rough playing dog with a hard mouth! Toy destroyer! This he loves to fetch, tug, carry, and chew on. I never really expected it to last when I got it. Surprise! Almost two months of rigorous daily play and it’s still almost like new!
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Reviewed in the United States on April 2, 2026
★★★★★ 5
Great cost effective chew toy for an aggressive chewer
Bought multiple. Still have a few in the package because the others are still going strong. Nice heft to throw them a good distance, durable enough for a heeler that is a very aggressive chewer to not destroy them after a month, and easy to see when they leave them in the grass. Good size, Good weight, Excellent durability, and keeps their attention longer than a actual stick.
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Reviewed in the United States on May 7, 2026
★★★★★ 4
Fun toy for dogs
Great toy for my dog. She loves when we throw it in the backyard for her and so far she hasn’t chewed it apart and she’s a big chewer. It’s bouncy too which makes it even more fun to chase. Great toy for the price
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Reviewed in the United States on May 27, 2026