ThinkSystem NE2552E Flex Switch

Lenovo ThinkSystem NE2552E Flex Switch

ThinkSystem NE2552E Flex Switch

High-speed network connectivity for Lenovo Flex System

  • Utilize the full capacity of ThinkSystem nodes and Flex System bandwidth
  • Experience higher throughput and lower latency than 10GbE switches with 2x-5x increase in port speeds
  • Satisfy data-and network-intensive applications with proven Lenovo Flex System technology connecting at 100GbE

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ThinkSystem NE2552E Flex Switch

    High-speed network connectivity for Lenovo Flex System

  • Features



    • Improved network performance
    • 2.5x-5x greater throughput than 10Gb switch
    • Supports 24x 10Gb / 25Gb or 50Gb per server node
    • Upstream connections up to 100Gb
    • Paired with the ThinkSystem QLogic Ethernet adapters that provide:
      • Unified Fabric Port (UFP) for NIC virtualization
      • Universal Remote Direct Memory Access (RDMA) for high throughput and low latency

    Lenovo ThinkSystem NE2552E Flex Switch


    The Lenovo ThinkSystem NE2552E Flex Switch is part of the Lenovo Flex System embedded blade solution family, paired with ThinkSystem QLogic Ethernet adapters, providing the high-speed network connectivity needed for Data Warehouse, SAP, Cloud, and Virtual Desktop solutions.

    • Better together – The ThinkSystem NE2552E Flex Switch and QLogic Ethernet adapter are solution tested by Lenovo to provide the best integration possible for Lenovo compute, storage, and networking in the data center. Flex System compute, adapter, and switch options, designed to work together result in smooth installations and reliable operations.
    • Better interoperation – The NE2552E interoperates seamlessly with Flex System compute nodes, connecting the latest ThinkSystem SN850 and SN550 nodes and ThinkSystem QLogic Ethernet adapters to the network at speeds up to 100Gb with Universal Remote Direct Memory Access (RDMA) and Unified Fabric Port (UFP) for lowest latency.
    • Better support – The NE2552E assumes the warranty of the Flex System chassis in which it is installed. Support for all Flex System components is provided by Lenovo award-winning customer service as the single point of contact.
    • Better management – Lenovo XClarity hardware and software provides easy single-pane-of-glass management for Flex System and Lenovo server, storage, and networking products.

    Lenovo ThinkSystem NE2552E Flex Switch

    Flex System optimized networking

    The NE2552E switch and QLogic Ethernet adapters extend Flex System with features, such as:

    • Utilization of the full high-speed chassis midplane bandwidth
    • UFP for NIC virtualization
    • RDMA for high throughput and low latency
    • Chassis Management Module integration
    • Use of efficient Flex System redundant power and adaptive cooling
    • Increased Flex System density with faster ports

    Lenovo ThinkSystem NE2552E Flex Switch

    Low cost of total ownership

    The NE2552E Flex Switch is an extremely cost-effective way to expand and extend Lenovo Flex System.

    Adding the NE2552E switch and QLogic Ethernet adapters multiply networking speed 2.5x – 5x vs. 10GbE switches, to connect high-speed ThinkSystem compute nodes, minimizing overbooking concerns.

    • Uses existing Flex System chassis, power and fans
    • Future-ready via the Flex System network upgrade
    • Upgrade compute nodes as needed

    Lenovo ThinkSystem NE2552E Flex Switch
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  • Tech Specs

    Tech Specs

    Description Specifications
    Line rate performance, 2.6Tbps aggregated switching throughput, 22MB buffer size
    Interface Configurations
    Lenovo NE2552E Flex System Ethernet Switch
    • 28x 10Gb / 25Gb or 14x 50Gb internal
    • 8x 10Gb / 25Gb, 4x 100Gb QSFP28 external (breakout to 2x 50Gb or 4x 25Gb or 4x 10Gb)
    • 10/100/1000 Base-T management port external
    ThinkSystem QLogic Ethernet Adapters
    • ThinkSystem QLogic QL45214 Flex 25Gb 4-port Ethernet Adapter
    • ThinkSystem QLogic QL45212 Flex 50Gb 2-port Ethernet Adapter
    • ThinkSystem QLogic QL45262 Flex 50Gb 2-port Ethernet Adapter with iSCSI/FCoE
    Virtualization VLAG, NIC Partitioning (NPAR) (16PF), Single Root I/O Partitioning (SR-IOV) (240VF)
    Cooling / Power
    Provided by the Flex System chassis; Switch power consumption is 115W average, 153W maximum
    Switch – Adapter Shared Features
    CEE, Universal RDMA (IWARP, iSER, NMVe, RoCEv2), Unified Fabric Port, Data Plane Development Kit
    Management Software Supported
    Lenovo XClarity Administrator
    Limited Warranty
    Assumes the remainder of the Flex System chassis 3-year warranty and warranty service upgrades when installed; 1-year warranty outside the chassis, or if the remainder of the chassis warranty is less than 1 year.
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  • Resources

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