Cisco Catalyst 9300 Series Stackable Managed Layer 3 Switches

Device Type: Enterprise-Class Layer 3 Access/Aggregation Switch.
Operating System: Powered by modern Cisco IOS® XE software.
Performance Engine: Built on Cisco Unified Access Data Plane (UADP 2.0/3.0) ASIC.
Stacking Capacity: Industry-leading up to 480 Gbps stacking via StackWise-480.
Power Resiliency: Dual redundant, hot-swappable power modules supporting Dual PoE+.
Next-Gen Security: Built-in hardware support for Encrypted Traffic Analytics (ETA), MACsec-256, and Full SD-Access. [1, 2, 3, 4, 5]

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The Cisco Catalyst 9300 Series is Cisco’s lead stackable enterprise access platform, engineered to secure and optimize smart building, IoT, and cloud-integrated networks. Operating on the open Cisco IOS XE architecture, the 9300 series bridges traditional local area networks with modern software-defined architectures.

With an unmatched stacking bandwidth of 480 Gbps, these switches deliver enterprise-grade high availability, making them ideal for high-density business campuses, critical data centers, and multi-floor branch offices. The series supports high-density Multigigabit (UPOE/UPOE+) tech, allowing you to run next-generation Wi-Fi 6/6E access points and smart building systems at blazing speeds over existing copper infrastructure.