SKU: 33035100259

Lenovo ThinkSystem SR655 x16 PCIe 2U Riser 1 FH Kit

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Description

Lenovo ThinkSystem SR655 x16 PCIe 2U Riser 1 FH KitThe Lenovo ThinkSystem SR655 x16 PCIe 2U Riser 1 FH Kit is a purpose built expansion solution for modern data centers that demand scalable, high bandwidth connectivity within a compact footprint. Engineered for the Lenovo ThinkSystem SR655 server family, this full height PCIe x16 riser kit unlocks additional expansion capacity without consuming valuable rack space or complicating airflow patterns. Designed to integrate seamlessly with existing

The Lenovo ThinkSystem SR655 x16 PCIe 2U Riser 1 FH Kit is a purpose-built expansion solution for modern data centers that demand scalable, high-bandwidth connectivity within a compact footprint. Engineered for the Lenovo ThinkSystem SR655 server family, this full-height PCIe x16 riser kit unlocks additional expansion capacity without consuming valuable rack space or complicating airflow patterns. Designed to integrate seamlessly with existing ThinkSystem hardware, the kit helps teams achieve superior workload acceleration, improved I/O throughput, and greater overall system efficiency—benefits that matter across AI inference, virtualization, high-performance computing, storage acceleration, and dense network deployments. By delivering a clean, reliable expansion path in a 2U chassis, this riser kit preserves administrators' ability to maximize slot density while keeping cabling tidy and cooling predictable, ensuring consistent performance even under demanding stress tests and sustained workloads. In environments where uptime and predictability are paramount, the SR655 x16 PCIe 2U Riser 1 FH Kit provides a dependable, enterprise-grade upgrade path that aligns with Lenovo’s quality and service standards. Whether you’re refreshing an aging rack, deploying GPU-accelerated compute nodes, or scaling NIC capacity for high-speed networks, this kit delivers the essential PCIe x16 interface and full-height support you need in a compact, data-center-ready package. Its thoughtful design emphasizes reliability, ease of installation, and long-term compatibility, so IT teams can reduce deployment time, minimize downtime, and focus on delivering real value to business workloads. The result is a seamless blend of performance, density, and manageability—an upgrade that helps you extract more from your SR655 investment while maintaining Lenovo’s emphasis on consistency, serviceability, and enterprise-grade robustness.

  • The kit provides high-bandwidth PCIe x16 expansion in a 2U ThinkSystem SR655 chassis, enabling full-height PCIe cards such as accelerators, high-speed NICs, or other expansion devices without limiting rack density.
  • Engineered specifically for the SR655, the riser integrates into the server’s 2U form factor with a single full-height (FH) riser profile, preserving clean airflow paths and straightforward cable management.
  • Built to Lenovo ThinkSystem standards, the kit features secure mounting hardware, reliable PCIe connectors, and durable construction designed for continuous operation in data center environments.
  • Optimized cooling compatibility and airflow considerations help minimize thermal concerns for PCIe devices, supporting consistent performance during long-running workloads.
  • Easy deployment and future-proofing: the riser simplifies upgrades and maintenance, enabling rapid PCIe expansion in dense racks while preserving system stability and serviceability.

Technical Details of Lenovo ThinkSystem SR655 x16 PCIe 2U Riser 1 FH Kit

  • PCIe Interface: PCI Express x16 (Full-height) expansion riser for high-bandwidth I/O
  • Form Factor: 2U chassis integration designed for Lenovo ThinkSystem SR655 servers
  • Riser Type: 1 Full-Height (FH) riser kit, enabling single-slot expansion for full-height cards
  • Compatibility: Specifically engineered for the Lenovo ThinkSystem SR655 server family; intended for SR655 2U configurations
  • Mounting and Hardware: Includes mounting hardware and alignment features for secure, stable installation within the 2U enclosure

How to install Lenovo ThinkSystem SR655 x16 PCIe 2U Riser 1 FH Kit

  • Prepare the workstation: Power down the server completely, unplug power cords, and ground yourself to prevent electrostatic discharge.
  • Access the chassis: Remove the server cover or access panel according to the SR655 service manual, ensuring you have clear visibility of PCIe slots and expansion areas.
  • Identify mounting points: Locate the dedicated 2U expansion region and the slot(s) where the x16 FH riser will be installed; verify clearance for full-height cards.
  • Install the riser: Align the ThinkSystem SR655 x16 PCIe 2U Riser 1 FH Kit with the designated expansion slot, carefully seating the connector into the motherboard or riser interface as specified by Lenovo documentation.
  • Secure the riser: Use the supplied mounting screws or hardware to firmly secure the riser to the chassis, ensuring there is no movement that could stress connectors during operation.
  • Install PCIe devices: If you plan to add expansion cards, install the full-height PCIe cards into the riser’s PCIe slots, following the card manufacturer’s guidelines for orientation and power connections.
  • Reconnect and test: Reassemble the chassis cover, reconnect power and data cables, and power on the server. Enter BIOS/UEFI to confirm detection of the PCIe devices and ensure proper slot configuration.
  • Verify operation: In the operating system, verify device recognition, driver installation, and baseline performance to validate the installation and ensure there are no thermal or stability issues.
  • Document the upgrade: Record serial numbers, firmware versions, and installed hardware details to assist in future serviceability and warranty considerations.
  • Best practices: Maintain clean cabling to preserve airflow, plan for future expansion, and schedule regular thermal monitoring to sustain peak performance over time.

Frequently asked questions

  • What is Lenovo ThinkSystem SR655 x16 PCIe 2U Riser 1 FH Kit? It is a PCIe x16 full-height expansion riser kit designed to augment the Lenovo ThinkSystem SR655 server series, enabling additional high-bandwidth PCIe devices within a 2U SR655 chassis.
  • What cards can I install with this riser kit? The kit supports full-height PCIe x16 expansion cards, including accelerators, high-speed network adapters, and other compatible PCIe devices that fit within the SR655 2U expansion area.
  • Is this kit compatible with servers other than the SR655? The kit is specifically engineered for the SR655 platform. While it may physically fit other models in some cases, Lenovo licensing, certification, and supported configurations are focused on the SR655, so check Lenovo’s official documentation before attempting cross-model installations.
  • Does installation require downtime? Yes. Installing a riser kit typically requires powering down the server and opening the chassis. Plan for maintenance windows to avoid disruption to active workloads.
  • What are the main benefits of this kit? The primary benefits are increased PCIe expansion capability in a dense 2U form factor, reliable ThinkSystem-grade build quality, and a clean, maintainable integration that preserves airflow and serviceability while enabling high-bandwidth devices.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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  • Delivery to the USA:
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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.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 33035100259

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J. Randle
Natrona Heights, US
★★★★★ 5
Love them
Color: Pink & Beige, Size: Medium/Large(fits size 8 to 11)
I wear a size 11.5 in ladies shoe and these just barely fit. Butttt after I put lotion on my feet and slipped these on and left them on for about 30 mins. It left my feet really soft! They work great as intended. Would buy again
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 31, 2026
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Vonda Kioultzopoulos
Boise, US
★★★★★ 3
Effective but may be uncomfortable
Color: Pink & Beige, Size: Medium/Large(fits size 8 to 11)
I have eczema on my feet and use a prescription cream that I leave on overnight. I often have a problem sleeping in socks but the silicone feels cool on my feet. The only drawback I have is the opening of the socks feel very tight around my ankles making them uncomfortable on me. I wish the opening was a bit more flexible.
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Reviewed in the United States on September 20, 2025
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Tessy
Boise, US
★★★★★ 1
Burned my already sensitive feet, too big
Color: Pink & Beige, Size: Medium/Large(fits size 8 to 11)
Feels icky, and the heat gets trapped and literally felt like my feet were being burned by these. The bottoms of these feel prickly and they are way too big. You have to sit still and cannot walk in them.
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Reviewed in the United States on April 22, 2026
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Ms. Mac
Grantham, US
★★★★★ 5
Just as good as paraffin wax
Color: Pink & Beige, Size: Medium/Large(fits size 8 to 11)
I might prefer these socks over paraffin wax. They are comfy and very moisturizing. I use these socks once a week to keep the heels and soles of my feet moisturized between pedicures. I rinse with warm, soapy water then hang to dry. They are hard to walk in, but there's a saying printed in the socks that's says something to the effect of "take a break, stay off your feet" lol I love that as a reminder to put my feet up and relax
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Reviewed in the United States on April 9, 2026
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SKI
New York, US
★★★★★ 5
Love these!
Color: Pink & Beige, Size: Small(fits up to size 7)
Love these! As I write this review, I’m sitting in my recliner with these on. I have had other silicone socks in the past and would like to share a few of the things that I have learned. These fit great! The others were 2-3 sizes too big because you could not order a size. I wear a size 7 women’s shoe. I got the smaller size. I walked around my apartment in my old ones and they got kinda yucky. Now, I sit in my recliner, put them on and chill for a few hours. I now take them off and put in a ziplock bag so they stay nice and clean (no cat hair!). I use them once a week usually on Saturday or Sunday as I’m a working girl. Also, I use Auqaphor before I put them on and put cotton socks on after I’m finished. Your feet will be SO soft. This is not a one and done…I do this every week especially during sandal season! I know this was lengthy and I hope you got some tips.
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Reviewed in the United States on April 25, 2026

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