SKU: 71616671774

Lenovo ThinkSystem DM Series 100Gb iWARP 2 Port Ethernet Card

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Description

Lenovo ThinkSystem DM Series 100Gb iWARP 2 Port Ethernet CardThe Lenovo ThinkSystem DM Series 100Gb iWARP 2 Port Ethernet Card is engineered to deliver extraordinary bandwidth and reliability for modern data centers. This dual port 100 Gigabit Ethernet adapter is built to meet the demanding needs of high performance computing, virtualization, and large scale networking without spiraling hardware costs. By combining extremely high throughput with iWARP offload capabilities, this card reduces CPU overhead,

The Lenovo ThinkSystem DM Series 100Gb iWARP 2 Port Ethernet Card is engineered to deliver extraordinary bandwidth and reliability for modern data centers. This dual-port 100 Gigabit Ethernet adapter is built to meet the demanding needs of high-performance computing, virtualization, and large-scale networking without spiraling hardware costs. By combining extremely high throughput with iWARP offload capabilities, this card reduces CPU overhead, minimizes latency, and accelerates data-intensive applications—from AI inference and analytics to in-memory databases and cloud-native services. When deployed in ThinkSystem DM Series servers, it enables scalable, fabric-ready networking that can grow with your workloads, ensuring your infrastructure remains responsive under peak demand while maintaining an efficient total cost of ownership. In environments where latency matters as much as bandwidth—datacenters, hyperscale clusters, and enterprise data floors—the DM Series 100Gb iWARP card provides a dependable foundation for fast, predictable connectivity, robust management, and straightforward expansion.

  • Ultra-high throughput and low latency: With 2 x 100 GbE iWARP-capable ports, this adapter delivers line-rate performance for latency-sensitive workloads. It accelerates data transfers across virtual machines, containerized services, databases, analytics pipelines, and AI workloads by offloading memory-to-memory operations from the CPU, reducing interrupt storms, and keeping applications responsive even under heavy load.
  • Hardware offload and CPU efficiency: The iWARP RDMA offload engine on this card minimizes CPU overhead, enabling higher virtual machine density, smoother multi-tenant environments, and improved overall server efficiency. By handling RDMA operations at the adapter level, users experience lower latencies, faster data access, and a more predictable performance profile for demanding enterprise applications.
  • Seamless Lenovo ThinkSystem integration: Designed and tested for ThinkSystem DM Series servers, this Ethernet card is optimized for Lenovo management ecosystems, including Lenovo XClarity and ThinkSystem Manager. The integration enables streamlined firmware updates, health monitoring, and centralized configuration across an expanding network fabric—helping IT teams reduce operational complexity while maintaining maximum uptime.
  • Flexible connectivity and scalable design: The two 100 GbE interfaces commonly utilize QSFP28 connectors, enabling dense, scalable cabling for data center networks. The card supports network fabric features such as NIC teaming, link aggregation, and RDMA-aware software stacks, empowering you to build resilient, scalable networks that can grow with your business needs without requiring a complete network overhaul.
  • Reliability, manageability, and lifecycle support: Built for enterprise environments, the DM Series 100Gb iWARP card emphasizes reliability, robust error handling, and straightforward lifecycle management. In addition to standard protection features, Lenovo’s supported ecosystem helps ensure firmware compatibility across your data center, reducing maintenance risk and providing solid vendor support for critical networking upgrades.

Technical Details of Lenovo ThinkSystem DM Series 100Gb iWARP 2 Port Ethernet Card

  • Product type: Network adapter for Lenovo ThinkSystem DM Series servers
  • Ports: 2 x 100 GbE iWARP-enabled ports (QSFP28 connectors)
  • Interface: PCIe-based card designed for enterprise data centers
  • RDMA capability: iWARP RDMA offload to enhance memory-to-memory data transfers
  • Management and compatibility: Works with Lenovo ThinkSystem management tools (XClarity Administrator, ThinkSystem Manager)
  • Designed for high-bandwidth workloads: Optimized for virtualization, HPC, analytics, and database acceleration
  • Reliability and support: Enterprise-grade reliability with standard server-grade hot-swap and firmware update support
  • Standards and compliance: Built to align with data center networking standards and Lenovo product governance

How to install Lenovo ThinkSystem DM Series 100Gb iWARP 2 Port Ethernet Card

  • Power down the server, unplug power, and ground yourself to prevent static discharge; remove the chassis cover to access the server’s PCIe slots.
  • Identify an appropriate PCIe slot with sufficient bandwidth (typically a PCIe x8 or higher slot) in the ThinkSystem DM Series server based on your hardware configuration and expansion plans.
  • Line up the card with the chosen PCIe slot and firmly insert it until the retention latch engages. Ensure the card is seated evenly and secured.
  • Attach the QSFP28 network cables to the card’s connectors, making sure to follow proper orientation and avoid excessive cable bending to preserve signal integrity.
  • Secure the card with the slot screw and reseal the chassis. Reconnect power and boot the server.
  • Enter the system firmware or BIOS post-boot to verify that the new NIC is recognized and enumerated by the system.
  • Install or update the required drivers and firmware through Lenovo XClarity Administrator or ThinkSystem Manager, following the on-screen prompts or your organization's standard imaging process.
  • Configure the network settings in the operating system or software-defined networking stack (MTU, VLANs, NIC teaming, SR-IOV if supported, and RDMA parameters) to align with your data center fabric and performance goals.

Frequently asked questions

  • What is the Lenovo ThinkSystem DM Series 100Gb iWARP 2 Port Ethernet Card?
    The card is a dual-port 100 GbE network adapter with iWARP RDMA offload designed for Lenovo ThinkSystem DM Series servers. It provides high-bandwidth connectivity with low latency, enabling more efficient data center networking and improved performance for virtualization, analytics, and memory-intensive workloads.
  • Which workloads benefit most from iWARP RDMA on this card?
    iWARP RDMA offloads memory-to-memory transfers from the CPU, delivering lower latency and higher throughput for virtualization platforms, large-scale databases, in-memory processing, HPC workloads, and real-time analytics in dense server environments.
  • How do I manage and monitor the card?
    Management is streamlined through Lenovo’s XClarity Administrator and ThinkSystem Manager. These tools provide firmware update orchestration, health monitoring, configuration management, and integration with your existing data center monitoring framework.
  • Is this card hot-swappable?
    In supported ThinkSystem DM Series servers, the card is designed for enterprise reliability, including hot-swap maintenance options. Always consult your server’s hardware maintenance guide for exact hot-swapping procedures and compatibility.
  • What cabling and switches are required for 100 GbE operation?
    The card uses QSFP28 connectors for 100 GbE connectivity. Ensure your network fabric—including switches and cables—supports 100 GbE and is configured to leverage iWARP RDMA features for best results.
Shipping Notes
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SKU: 71616671774

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4.2 ★★★★★
Based on 23 reviews
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Verified Purchase
patricia aulabaugh
Bozeman, US
★★★★★ 5
Super soft
Color: Cypress, Size: King
Super soft and warm, very nice to sleep with
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 27, 2026
M
Verified Purchase
MunchkinsMomsez
Lake Worth, US
★★★★★ 3
No cat claws allowed!
Color: Cypress, Size: Twin, Color: Cypress, Size: Twin
The quality of this set isn't the best. It you have a cat, a sharp claw or two will do visible damage! I actually clipped the loose threads off days ago, but there's still that double track of claw marks that will always be there. The pillow sham is also huuuge and looks awkward on a twin bed. It you have a large pillow it should be ok. The pillow sham isn't sewn together properly either, the fabric is bunched up where the seams meet. The comforter is pretty lightweight, so I will definitely be needing another blanket (or two!) with this one for winter. However, the set IS very soft, and it IS nice and cozy. The color in person is ok/does not look like photo advertised, as is, it would probably look nicer on a better quality set. The three stars is for comfort only. I will update this review after washing it a couple of times. Update: not even a month, and the fabric has ripped where the claw mark is. But, I have decided to keep it after all, if only for the comfort. Still not happy with the cost vs the quality. Latest update: added last 2 photos to show progression of wear. It does wash up well enough all considered. 3/31/24 Tears in the material (non-sherpa side) continue to appear. If you apply any type of tension to the fabric while making the bed, or just trying to pull the comforter over you when you roll over, you can hear the fabric tearing. I have found 6 tears to date.
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Reviewed in the United States on October 3, 2023
J
Verified Purchase
John cromwell
Omaha, US
★★★★★ 5
Finally we BOTH can sleep comfy!
Color: 08 - Black, Size: Queen
So for years my boyfriend has always liked “jersey sheets” or “tee shirt” sheets or sheets made of flannel. He says he doesn’t like the feeling of cold “silky” feeling sheets as he’s always cold. I’m opposite and am always hot, and anytime we stayed in a nice hotel I looked forward to being able to sleep on cooler, taught, soft sheets for a couple of nights. I was able to deal with our old sheets but the issue we both hated was after awhile any sheet we got would get pilling. We even splurged and got a $60 flannel sheet which did the same thing forcing me to shave off these little annoying fuzz balls that make it feels like there is thousands of crumbs on the sheets. I also would wash our bedding once a week because the Jersey sheets seemed to “grow” as we move around in bed making it so the sheet was not taught and super annoying to lay on. The day I would wash them they would be comfortable but ultimately by the end of the week they would be almost hanging off our mattress. I ordered these sheets on a whim and got them the same day and immediately just threw out the jersey sheet and put this on (I didn’t even wash it, I know it’s gross but I was desperate for a comfy nights sleep and they came around 8pm) when I put them on I realized how soft and comfortable they felt. I also liked how the pillow cases are larger than most pillow cases that I have had in the past. We’ve been using these sheets for about a week and I love how I don’t wake up with my pillow popping out of the case anymore. The sheets have loosed ever so slightly since a week of sleeping but still are really taught and comfortable. They are cooler than flannel or fabric sheets and are initially cold when you first lay on them but I wouldn’t consider them “cooling” but they keep me from feeing extremely hot. They are way better than I ever would have expected for the price. I look forward to laying on them at the end of each day, even my boyfriend laid in bed the day I got them and said “wow I didn’t think I would like sheets like this, these are so soft!” And fell asleep immediately. We ended up ordering a second set in grey and the color is pretty. I still have yet to wash them, I usually use 2 tide pods when washing the bedding but I might get some fabric softener (as I hear it helps with pilling) to prevent the possibility of having that happen to these sheets in the future. I am hoping they hold up well after the wash and longer use. If they start to pill after wash, I will come back and update my review. Until then, I would highly recommend these sheets for the quality and the price point that they are offered at. Honestly, at this point even if they pill months from now I probably wouldn’t even be upset as long as they stay the same price I would just buy another set as they are just that comfortable and soft. UPDATE: So it has been about 3 months since I have purchase and used these sheets. They are still as soft as the day I first put them on. I’ve been washing them bi-weekly along with my comforter and pillowcases. I wash them with warm water using a combination of tide pods and added Downy fabric softener. They say to hang dry them in the description but I have been putting them in the dryer on medium and have been taking them out after around 20-25 minutes, they seem to dry extremely quickly. They have yet to have absolutely any pilling and also have not shrunk or stretched. Also I have a cat that is very active and also sleeps with me who enjoys kneading on my bed and I haven’t even noticed any signs of wear what so ever to the eye or to the feel. I highly recommend these sheets. I still have yet to even open the second set I purchased!
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Reviewed in the United States on January 10, 2024
J
Verified Purchase
Joy Joy
Port Orchard, US
★★★★★ 5
Happy With Our Purchase
Color: 07 - Charcoal, Size: King, Color: 07 - Charcoal, Size: King
When we opened the package the sheets were soft. We wash everything before we use it, so in these went. The sheets held nicely through the washing machine, the edges stayed sewn up and the sheets are still fluffy. The sheets fit nicely on our bed and have a nice cooling effect in this 80-degree weather. We think these sheets were a quality purchase that was affordable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 6, 2026
M
Verified Purchase
Marcus
Carnegie, US
★★★★★ 5
Honest Review
Color: 25 - Burgundy, Size: Queen
Very good product, I would highly recommend it. It is soft and keeps you cool throughout the night. I am someone who burns hot all day and night so these sheets have been a great purchase so far as I can tell. I got the red ones and they are very nice and pleasing to the eye. The quality of the sheets is high and not to bad for the price considering other products. It’s not very elastic so make sure you purchase the right size. You get 2 pillow cases and 2 sheets. The sheets seem pretty durable as well which is nice.
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Reviewed in the United States on June 8, 2026

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