Lenovo ThinkSystem QLogic QL45262 Flex 50Gb 2-Port Ethernet Adapter with iSCSI/FCoE

Engineered for high-demand data centers, the Lenovo ThinkSystem QLogic QL45262 Flex 50Gb 2-Port Ethernet Adapter is a next-generation network interface designed to accelerate storage, networking, and virtualization workloads within Lenovo Flex System environments. Built on eighth-generation Ethernet technology from Cavium, this adapter delivers outstanding performance, ultra-low latency, and powerful offload capabilities that help minimize CPU overhead while maximizing throughput. With universal RDMA support and native iSCSI/FCoE offload, the QL45262 is a robust solution for enterprises seeking to consolidate storage and networking efficiency in a compact, scalable PCIe solution.

• High-bandwidth dual-port design: Two 50Gb Ethernet ports provide the bandwidth needed for bandwidth-intensive workloads, including virtualized servers, dense storage architectures, and data-intensive compute tasks. The 50Gb capability enables faster interconnects to top-of-rack switches, storage fabrics, and converged network fabrics, helping to reduce congestion and boost application performance.
• Universal RDMA for RoCE, RoCE v2, and iWARP: The QL45262 supports concurrent Remote Direct Memory Access protocols, enabling low-latency data transfers with minimal CPU intervention. This versatility allows you to deploy RoCE, RoCE v2, or iWARP according to your data center’s fabric and interoperability requirements, delivering improved latency and throughput across diverse workloads.
• iSCSI and FCoE offload: Built-in offload capabilities streamline storage traffic by reducing CPU overhead on storage I/O paths. Offloading iSCSI and Fibre Channel over Ethernet (FCoE) workloads helps accelerate storage I/O operations, improve overall application responsiveness, and free CPU cycles for compute tasks.
• Designed for Lenovo Flex System: The QL45262 is purpose-built to integrate seamlessly with Lenovo Flex System enclosures, switching fabrics, and lifecycle management tooling. It complements Lenovo management offerings, enabling easier deployment, firmware updates, and validation within enterprise data centers that rely on Lenovo’s unified hardware ecosystem.
• Optimized performance with data-center workloads: The combination of Cavium’s eighth-generation Ethernet tech, RDMA capabilities, and storage offloads makes this adapter well-suited for virtualization, databases, analytics, and HPC-style workloads. Expect lower CPU utilization, faster storage access, and smoother virtual machine density without sacrificing stability or compatibility.

Technical Details of Lenovo ThinkSystem QLogic QL45262 Flex 50Gb 2-Port Ethernet Adapter with iSCSI/FCoE

• Ports and speed: 2-port 50Gb Ethernet adapter designed for Lenovo Flex System environments.
• RDMA support: Universal RDMA with concurrent RoCE, RoCE v2, and iWARP compatibility for low-latency data transfers.
• Storage offload: iSCSI and FCoE offload capabilities to accelerate storage traffic and reduce host CPU usage.
• Technology foundation: Based on eighth-generation Ethernet technology from Cavium, providing advanced network processing and efficiency.
• Compatibility: Designed for Lenovo ThinkSystem/Flex System ecosystems, with firmware, drivers, and management integration aligned to Lenovo’s standards.
• Form factor and integration: Flex System-compatible adapter designed to integrate into Lenovo chassis interconnects and I/O fabrics.

How to install Lenovo ThinkSystem QLogic QL45262 Flex 50Gb 2-Port Ethernet Adapter with iSCSI/FCoE

• Prepare your system: Power down the Lenovo Flex System chassis and unplug all power sources. Ground yourself to prevent static discharge and ensure a safe installation environment.
• Open and access the slot: Remove the chassis cover or access panel to reveal the available PCIe/adapter slots compatible with Flex System adapters. Confirm there is a compatible interconnect or mezzanine slot for the QL45262.
• Install the adapter: Insert the QL45262 into the appropriate slot with firm, even pressure until it seats securely. Ensure retention mechanisms engage and that the module is firmly seated in the backplane.
• Power up and initialize: Reassemble any removed panels, reconnect power, and boot the system. Use Lenovo XClarity or equivalent management tooling to detect the new adapter.
• Install drivers and firmware: Retrieve the latest drivers and firmware from Lenovo's support portal and install according to the provided instructions. Update firmware to ensure compatibility with RoCE/RDMA features and iSCSI/FCoE offload capabilities.
• Configure network settings: In your network management environment, configure the two 50Gb ports for your required VLANs, QoS, and RDMA fabric settings. Enable RoCE, RoCE v2, or iWARP as appropriate for your fabric, and activate iSCSI/FCoE offload paths for storage traffic.
• Validation and testing: Run connectivity tests to confirm link status, throughput, and RDMA performance. Validate storage I/O performance and latency improvements with representative workloads to ensure the adapter meets your performance targets.

Frequently asked questions

• What is the Lenovo ThinkSystem QLogic QL45262 Flex 50Gb 2-Port Ethernet Adapter with iSCSI/FCoE? It is a dual-port 50Gb Ethernet network interface card designed for Lenovo Flex System. It offers universal RDMA (RoCE, RoCE v2, iWARP) and built-in iSCSI/FCoE offload to accelerate storage and data-center workloads.
• Which RDMA protocols does it support? The adapter provides concurrent support for RoCE, RoCE v2, and iWARP, enabling flexible, low-latency data transfers across compatible fabrics.
• What workloads benefit most from this adapter? Storage-intensive workloads (with iSCSI and FCoE traffic), virtualization, databases, analytics, and high-performance computing workloads that require low CPU overhead and low latency will benefit from RDMA offloads and 50Gb Ethernet bandwidth.
• Is this adapter compatible with non-Lenovo environments? The QL45262 is designed for Lenovo Flex System ecosystems, but it will require appropriate drivers and firmware compatible with your virtualization and operating system environments. For best results, use Lenovo-supported configurations and tooling.
• Do I need special switches or fabric to use RoCE/RDMA? Yes, RoCE/RDMA works best when your fabric (switches, NICs, and storage array) supports the RDMA protocols you enable. Ensure your network switches and interconnects are configured to support RoCE v2 or iWARP as required by your deployment.
• Where can I obtain drivers and firmware? Drivers and firmware for the QL45262 can be obtained from Lenovo’s official support portal, aligned with your system model and firmware baseline to ensure compatibility and stability.
• What are the benefits of iSCSI/FCoE offload? Offloading iSCSI and FCoE traffic to the NIC reduces CPU utilization, lowers processing latency for storage I/O, and can improve overall application response times in storage-heavy environments.