Lenovo 7Z350022WW

Overview

The Lenovo 7Z350022WW is a Layer 3 managed switch designed to deliver robust network performance and power over Ethernet (PoE) capabilities for busy edge environments. It features 48 RJ-45 ports supporting speeds of 100 Mbps, 1 Gbps, or 10 Gbps, along with four SFP+ uplinks capable of 1 or 10 Gigabit fiber connections. With a PoE+ power budget of up to 370 W, this switch efficiently powers multiple endpoints while maintaining high data throughput, making it well suited for campus and branch access layers.

Built to fit into a 1U rack space with side-to-side airflow, the switch ensures consistent cooling in dense network closets. It runs on Lenovo’s Campus Networking OS and includes a rack mount kit for straightforward installation. Its switching capacity of 176 Gbps and packet forwarding rate of 130 million packets per second support demanding network traffic with low latency, ideal for interactive and time-sensitive applications.

Key features

• 48 RJ-45 ports provide flexible connectivity for a wide range of devices at multiple speeds, simplifying network expansion.
• PoE+ support with a 370 W power budget allows simultaneous data and power delivery to endpoints like IP phones, cameras, and wireless access points.
• Four SFP+ uplinks enable high-speed fiber connections to aggregation or core switches, supporting network scalability.
• Low port-to-port latency of 2 to 4 microseconds enhances performance for real-time applications and reduces network delays.
• Advanced Layer 3 routing protocols including RIP, OSPFv2, OSPFv3, PIM, and IGMP support dynamic routing and multicast traffic management.
• Management options such as SNMP, HTTPS, SSH, and CLI provide flexible control and integration with existing network tools.
• Support for up to 4093 VLANs and a MAC address table with 16,384 entries allows extensive network segmentation and device tracking.
• Chassis design with side-to-side airflow optimizes cooling in rack environments where equipment is stacked closely.
• High reliability with an MTBF of 450,000 hours and operation across a temperature range of 0 to 50 degrees Celsius ensures long-term service in typical wiring closets.

Key specs

• Ports: 48 RJ-45 (100/1000/10000 Mbps), 4 SFP+ uplinks (1/10 Gbps)
• PoE+ power budget: up to 370 W
• Switching capacity: 176 Gbps
• Packet forwarding rate: 130 million packets per second
• Port-to-port latency: 2 to 4 microseconds (10GBase-T)
• VLAN support: up to 4093 VLANs
• MAC address table size: 16,384 entries
• Routing protocols: RIP, OSPFv2, OSPFv3, PIM, IGMP, static routing, policy-based routing
• Operating temperature: 0 to 50 °C
• MTBF: 450,000 hours
• Form factor: 1U rack mount with side-to-side airflow
• Included software: Lenovo Campus Networking OS

Connectivity and compatibility

This switch offers extensive connectivity options with its 48 RJ-45 ports supporting multiple Ethernet speeds and four SFP+ uplinks for fiber connections. It integrates seamlessly into Lenovo ThinkAgile HX3721 Certified Node environments and fits well in campus and branch networks requiring PoE at the edge combined with high-speed uplinks. The management interfaces support standard protocols and secure access methods, making it compatible with a wide range of network management systems.

Performance and reliability

Designed for demanding edge networks, the switch delivers high throughput and low latency to support interactive applications and time-sensitive traffic. Its robust routing capabilities and large VLAN and MAC address capacities allow for complex network segmentation and efficient traffic management. The chassis cooling design and wide operating temperature range contribute to stable operation in typical wiring closets, while the high MTBF rating ensures dependable long-term use.

Ideal uses and environments

This model is a strong choice for organizations that need to power numerous endpoints while maintaining high-speed data connections at the network edge. It fits naturally in campus and branch access layers where PoE+ is essential for devices like IP phones, wireless access points, and security cameras. The switch’s 10 Gigabit uplinks and advanced routing features make it suitable for environments that require scalable, segmented networks with reliable performance and efficient management.

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