• Cisco N9K-C9332D-GX2B-M 32x 400G QSFP-DD switch front view
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Cisco N9K-C9332D-GX2B-M | Nexus 9300-GX2 32-Port 400G QSFP-DD Switch, 64GB, Layer 3

N9K-C9332D-GX2B-M

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Description

The Cisco Nexus 9332D-GX2B-M is a high-density 1RU data center spine/leaf switch delivering 12.8 Tbps switching capacity across 32 fixed 400G QSFP-DD ports and two 1/10G SFP+ ports. Equipped with 64GB RAM, this Layer 3 switch supports advanced features including VXLAN-EVPN, wire-rate MACsec encryption on eight ports, and native support for 200G, 100G, and 40G connectivity. Purpose-built for hyperscale cloud environments, leaf-spine architectures, and multi-tenant data centers requiring ultra-high bandwidth and scalability.

Features

Cloud Scale ASIC technology for ultra-low latency forwarding
- Support for Cisco ACI (Application Centric Infrastructure) spine/leaf deployment
- NX-OS operating system with full Layer 2 and Layer 3 feature set
- VXLAN-EVPN with support for over 100,000 tunnels
- Advanced routing protocols: BGP, OSPF, IS-IS, EIGRP
- Virtual Port Channel (vPC) for Layer 2 multi-pathing
- Multicast routing support with PIM-SM/SSM
- Wire-rate MACsec 256-bit encryption on eight ports
- Hardware-based CloudSec encryption
- Quality of Service (QoS) with deep buffer architecture
- Zero-Touch Provisioning (ZTP) for automated deployment
- Streaming telemetry with integration to analytics platforms
- Support for Cisco DNA Center AI-driven network analytics
- Flexible breakout support on all QSFP-DD ports
- Hot-swappable redundant power supplies and fan modules
- Programmability via Python, Ansible, and REST APIs
- Compatible with QSFP-DD, QSFP56, QSFP28, and QSFP+ transceivers
- Comprehensive access control lists (ACLs) and security policies
- IEEE 802.1Q VLAN tagging and IEEE 802.1ad Q-in-Q
- LLDP, SNMP v1/v2/v3, NetFlow for network visibility

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Datasheet

Technical Specifications

32 × 400G QSFP-DD ports (support native 200G/100G/40G)
- 2 × 1/10G SFP+ ports
- Port breakout support: up to 128 × 10/25/50/100G or 64 × 200G
- Switching capacity: 12.8 Tbps
- Forwarding rate: 5.77 Bpps (billion packets per second)
- System memory: 64 GB DDR4
- Storage: 128 GB SSD
- Shared buffer: 120 MB
- MAC address table: up to 1 million entries
- IPv4 LPM routes: up to 2 million
- CPU: Quad-core (4 cores)
- Last eight ports: wire-rate MACsec and CloudSec encryption capable
- Layer 3 switching with advanced routing protocols
- Management: 1 × 10/100/1000Base-T, 1 × 1G SFP, 1 × RS-232, 1 × USB
- Power supply: 1500W AC (dual redundant, sold separately)
- Typical power consumption: 638W
- Maximum power: 1442W
- Cooling: 6 fans (5+1 redundancy)
- Form factor: 1RU rack-mountable
- Dimensions: 1.72 × 17.3 × 23.9 in (4.4 × 43.9 × 60.8 cm)
- Operating temperature: 32°F to 104°F (0°C to 40°C)
- Supports Cisco ACI and NX-OS modes

FAQs

Q: What is the difference between the N9K-C9332D-GX2B-M and the standard N9K-C9332D-GX2B?
A: The -M suffix indicates this model includes 64GB of system memory, double the standard 32GB configuration. This enhanced memory supports larger routing tables, more complex VXLAN deployments, advanced network analytics, and AI-driven operations integration with Cisco DNA Center.

Q: Can the 400G QSFP-DD ports be broken out to lower speeds?
A: Yes, all 32 ports support flexible breakout configurations including 4×100G, 4×50G, 4×25G, 4×10G, and 2×200G. This allows up to 128 ports of 10/25/50/100 Gbps or 64 ports of 200 Gbps, providing exceptional deployment flexibility.

Q: Does this switch require separate licenses for Layer 3 functionality?
A: Yes, the N9K-C9332D-GX2B-M requires a LAN Base Services License (LANBASESERVICESPKG) to enable Layer 2 and Layer 3 capabilities. Additional feature licenses may be needed for advanced functionality. Power supplies and fan modules are also sold separately.

Q: Which data center architectures is this switch designed for?
A: This switch is purpose-built for hyperscale cloud data center leaf-spine architectures, particularly in multi-tenant high-concurrency environments. It excels in Cisco ACI fabric deployments, VXLAN-EVPN networks, and scenarios requiring ultra-high bandwidth density in minimal rack space.

Q: What encryption capabilities are included on this switch?
A: The last eight QSFP-DD ports (marked in green) support wire-rate MACsec and CloudSec encryption without performance degradation. This provides hardware-accelerated secure transmission for sensitive workloads in finance, government, and regulated industries.

Datasheet

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