Lenovo 7159GR6

Overview

The Lenovo 7159GR6 is a 2U rack-mount data center switch designed to deliver high-density connectivity with eighty-four 10 Gb SFP+ ports and ten 40 Gb QSFP+ ports. It supports rear-to-front airflow to optimize cooling in dense rack environments. Built on a non-blocking Ethernet architecture, this switch ensures low latency and full line-rate performance across all ports, making it suitable for demanding server aggregation and core networking roles.

Its flexible SFP+ interfaces accept both direct attach copper and optical fiber cables, allowing you to tailor connections based on distance and cost. The QSFP+ ports can function as high-capacity uplinks or be broken out into multiple 10 Gb links, providing versatility for scaling bandwidth to additional servers or top-of-rack devices.

Key features

• High port density with eighty-four 10 Gb SFP+ ports to connect numerous servers or devices within a rack.
• Ten 40 Gb QSFP+ ports that support breakout to 10 Gb connections, enabling flexible bandwidth distribution.
• Rear-to-front airflow design that aligns with typical data center cooling strategies for efficient heat management.
• Non-blocking Ethernet switching fabric that maintains consistent throughput and low latency under heavy traffic.
• SFP+ interfaces compatible with both direct attach copper and fiber optic cables, offering cost and distance flexibility.
• Robust architecture suited for enterprise data centers, cloud environments, and hosted service providers requiring reliable aggregation.

Key specs

• Form factor: 2U rack-mount
• 10 Gb ports: 84 SFP+
• 40 Gb ports: 10 QSFP+
• Airflow: Rear to front
• Switching architecture: Non-blocking Ethernet
• Port breakout: QSFP+ ports support breakout to 10 Gb connections
• Cable support: SFP+ supports direct attach copper and optical fiber

Connectivity and compatibility

This switch offers extensive connectivity options tailored for high-performance data center environments. The large number of 10 Gb SFP+ ports allows direct connection to servers or network devices using either copper or fiber cables, depending on your infrastructure needs. The 40 Gb QSFP+ ports serve as uplinks or can be split into multiple 10 Gb links, providing flexibility in network design and expansion.

• Supports both copper and fiber cabling for SFP+ ports, accommodating various distance and budget requirements.
• QSFP+ ports enable high-capacity uplinks or multiple 10 Gb connections through breakout cables.
• Rear-to-front airflow supports integration into standard data center cooling setups.

Ideal uses and environments

This switch is well suited for enterprise data centers and cloud service providers that require high-density server aggregation or core network switching with predictable performance. It fits environments where maintaining low latency and full throughput is critical during peak traffic periods. Its design supports deployments that connect large numbers of servers within a rack or across multiple racks, making it a strong choice for teams managing complex, high-traffic networks.

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