ThinkSystem NE2572 RackSwitchDatasheet

19 Apr 2018
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Cloud-optimized 25Gb/100Gb Ethernet aggregation leaf switch

Better Together

The Lenovo ThinkSystem NE2572 RackSwitch is part of the Lenovo Top of Rack (ToR) RackSwitch enterprise switch family, tested and validated with Lenovo reference architectures to provide the best integration possible for Lenovo servers, storage, and networking in the data center. Lenovo XClarity provides single-pane-of-glass management for the Lenovo data center. Lenovo RackSwitches interoperate seamlessly with other vendors’ servers, networking, and management.

Data Center Optimized Networking

The NE2572 is optimized for enterprise data centers with features, such as:

  • Software Defined Data Center interfaces ensure smooth interoperability with popular enterprise management applications.
  • Nutanix Prism with Lenovo Network Orchestrator automates vlan changes to improve uptime and network security.
  • VMware vRealize Log Insight collects logs and events to determine root cause and produce reports across multiple devices and vendors.
  • VMware vRealize Network Orchestrator helps deploy workflows to automate complex IT processes.
  • As a Microsoft Azure Stack solution partner, BGP, DCP, and switch-independent teaming deliver seamless interoperability.
  • Open Architecture: NE2572 supports automation and control while integrating with industry-standard applications and APIs, such as REST, OpenStack, OpenContrail, and Ansible.
  • OpenStack controls diverse pools of processing, storage, and networking resources throughout the data center.
  • Ansible automation frees up operations teams for more strategic work.
  • Resiliency: NE2572 offers outstanding fault tolerance with one of the quickest high-availability failovers in the industry so running applications are less likely to require a restart.


NE2572 is an extremely cost-effective switch for high-end 25GbE hybrid cloud data center applications. It offers the following reduced costs:

  • All software, management plugins, and XClarity Administrator are included in the purchase price.
  • Switches come with a 3-year warranty and include free software updates and upgrades.
  • Lower power consumption reduces operating expenses.


Interface Configurations

48x 25Gb Ethernet ports supporting various combinations of:

  • Up to 48x SFP28 25GbE SFP28 transceivers
  • Up to 48x SFP+ 10GbE SFP+ transceivers
  • Up to 48x SFP28 25GbE SFP28 DAC and AOC. (Various lengths: 1m, 3m, 5m, etc.)
  • Up to 48x SFP+ 10GbE SFP+ DAC and AOC. (Various lengths: 1m, 3m, 5m, etc.)

6x 100Gb Ethernet ports supporting various combination of:

  • Up to 6x QSFP28 100GbE QSFP28 transceivers
  • Up to 6x QSFP 40GbE QSFP transceivers
  • Up to 6x QSFP28 100Gb DAC cable or AOC cable. (Various lengths: 1m, 3m, 5m, etc.)
  • Up to 24x SFP28 25GbE ports using special (QSFP28-to-4xSFP28) break-out DAC cable or optics with break-out fibers (Various lengths: 1m, 3m, 5m, etc.)
  • Up to 12x QSFP28 50GbE ports using special (QSFP28-to-2xQSFP28) break-out DAC cable or optics with break-out fibers (Various Lengths 1m, 3m, 5m, etc.)
  • Up to 24x SFP+ 10GbE ports using special (QSFP-to-4xSFP+) break-out DAC cable or optics with break-out fibers. (Various lengths: 1m, 3m, 5m, etc.)
Performance Line-rate performance, up to 3.6Tbps aggregated throughput, as low as 480 ns (QSFP28) or 535 ns (SPP28) port-to-port switching latency, up to 2,678 Million packets per second (Mpps) (64-byte packets), up to 9,216-byte jumbo frames, buffer size: 22MB 
Virtualization VLAG, SDN Ready
Cooling Front-to-rear or rear-to-front cooling, six variable-speed hot-swap fan assemblies that provide N+1 cooling redundancy
Power Dual load-sharing hot-swap internal power modules, 213W typical / 289W maximum consumption
Management Software Supported Lenovo XClarity, VMware, OpenStack, Nutanix, Ganglia
Automation Ansible, Chef, Puppet
API Python, REST, Telemetry
Limited Warranty 3-year customer replaceable unit and software warranty

Why Lenovo

Lenovo is a global Fortune 500 company and a leader in providing innovative consumer, commercial, and enterprise technology. Lenovo enterprise systems deliver industry-leading performance, reliability, and security in virtualized and cloud environments for analytics, database, virtual desktop, infrastructure, and web workloads. Lenovo also offers simplified and extensible systems management tools so you can manage your infrastructure on your own terms. Consistently ranked #1 in reliability and customer satisfaction, the Lenovo enterprise server, storage, and networking portfolio provides the hardware for businesses that never stand still.

For More Information

To learn more about the Lenovo ThinkSystem NE2572 RackSwitch, contact your Lenovo representative or Business Partner or visit: For detailed specifictions, consult the NE2572 Product Guide.


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© 2020 Lenovo. All rights reserved.
Availability: Offers, prices, specifications and availability may change without notice. Lenovo is not responsible for photographic or typographic errors. Warranty: For a copy of applicable warranties, write to: Lenovo Warranty Information, 1009 Think Place, Morrisville, NC, 27560. Lenovo makes no representation or warranty regarding third-party products or services.

Trademarks: Lenovo, the Lenovo logo, RackSwitch, ThinkSystem, and XClarity® are trademarks or registered trademarks of Lenovo. Azure® and Microsoft® are trademarks of Microsoft Corporation in the United States, other countries, or both. Other company, product, or service names may be trademarks or service marks of others.

Document number DS0010, published April 19, 2018. For the latest version, go to

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