Lenovo ThinkSystem SR550/SR590/SR650 x8/x8/x8ML2 PCIe FH Riser 1 Kit

Designed for Lenovo ThinkSystem SR550, SR590, and SR650 servers, the SR550/SR590/SR650 x8/x8/x8ML2 PCIe FH Riser 1 Kit is a purpose-built expansion solution that unlocks additional PCIe bandwidth and I/O capacity within the chassis. This riser card kit is engineered to deliver dependable performance in data center environments, combining a compact Full Height (FH) design with three PCIe x8 connectors to support a range of expansion cards—from high-performance NICs and storage controllers to GPU accelerators. Whether you are upgrading your server for virtualization, dense storage, or accelerated networking, this PCIe FH Riser Kit helps you maximize your ThinkSystem's potential without sacrificing space or airflow. Built to integrate seamlessly with Lenovo firmware and driver ecosystems, the kit prioritizes reliability, ease of installation, and long-term serviceability, making it an essential upgrade for growing workloads that demand more PCIe lanes and expanded I/O options.

• PCIe FH Riser 1 Kit with three PCIe slots configured as x8/x8/x8ML2, enabling flexible expansion for GPUs, storage controllers, NICs, and other PCIe devices within ThinkSystem SR550, SR590, and SR650 servers.
• Validated compatibility with Lenovo ThinkSystem SR550, SR590, and SR650 platforms to ensure a seamless fit, secure connector alignment, and reliable operation with Lenovo firmware and driver stacks.
• Compact Full Height (FH) riser design that preserves chassis airflow, minimizes cable clutter, and fits within standard SR-series chassis while maximizing available expansion real estate.
• Robust mechanical construction and precise connector alignment to simplify installation, reduce maintenance time, and help secure high-performance PCIe devices during operation.
• Warranty-backed reliability and access to Lenovo support for firmware compatibility, troubleshooting, and replacement parts, giving data centers confidence in long-term serviceability.

Technical Details of Lenovo ThinkSystem SR550/SR590/SR650 x8/x8/x8ML2 PCIe FH Riser 1 Kit

• Riser type: PCIe FH Riser 1 Kit
• PCIe slots: 3 (x8/x8/x8ML2)
• Supported systems: Lenovo ThinkSystem SR550, SR590, SR650
• Form factor: Full-height PCIe riser card for SR-series chassis
• Kit contents: Riser card assembly and mounting hardware
• Warranty: Lenovo hardware warranty (region-specific)

how to install Lenovo ThinkSystem SR550/SR590/SR650 x8/x8/x8ML2 PCIe FH Riser 1 Kit

• Power down the server, unplug all power cords, and open the chassis to access the motherboard area and expansion region.
• If present, remove any cover plates or existing PCIe risers in the designated expansion area to create space for the new riser and ensure clear access to the edge connector.
• Align the PCIe FH Riser 1 Kit with the server’s motherboard edge connector and seat it firmly in place until it is fully and securely seated.
• Secure the riser using the provided mounting screws or hardware, following Lenovo’s installation guidelines to maintain proper strain relief and connector integrity.
• Reconnect any required PCIe devices and, if applicable, any associated cables or mezzanine connectors. Reinstall the chassis cover, reattach the bezel, power up the system, and verify PCIe device detection in BIOS/UEFI and the operating system.

Frequently asked questions

• Q: Is this PCIe FH Riser 1 Kit compatible with my ThinkSystem SR550, SR590, or SR650 server?
• A: Yes. The kit is specifically designed for the Lenovo ThinkSystem SR550, SR590, and SR650 models and provides three PCIe expansion slots configured as x8/x8/x8ML2 for enhanced I/O capacity.
• Q: How many PCIe slots does the kit provide?
• A: Three PCIe slots are provided, configured as x8/x8/x8ML2, allowing multiple expansion cards to be installed in a single riser assembly.
• Q: What is included with the kit?
• A: The PCIe FH Riser 1 Kit includes the riser card assembly and the necessary mounting hardware for installation in supported ThinkSystem chassis.
• Q: Do I need any special firmware or BIOS settings to use this riser?
• A: Ensure your server firmware and BIOS are up to date according to Lenovo’s guidelines, and follow the standard PCIe device installation procedures for detection in BIOS/UEFI and the operating system.
• Q: Can I hot-swap or remove the riser without powering down?
• A: In most cases, PCIe riser installation requires powering down the server. Refer to Lenovo’s official maintenance guidance for any model-specific exceptions or procedures related to field upgrades.