• Cisco N9K-C9364D-GX2A black and silver 64-port 400G network switch
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Cisco

Cisco N9K-C9364D-GX2A | Nexus 9300-GX2 64-Port 400G QSFP-DD Switch, 51.2 Tbps, 2x 10G SFP+

N9K-C9364D-GX2A

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Description

The Cisco Nexus 9364D-GX2A is a high-density 2RU data centre switch designed for hyperscale spine architectures and AI/ML workloads. With 64 fixed 400G QSFP-DD ports delivering 51.2 Tbps of switching capacity, it supports flexible breakout configurations including 4x100G and 2x200G. The first 16 ports feature wire-rate MACsec encryption for secure east-west traffic, while dual 1/10G SFP+ ports provide out-of-band management.

Features

64x 400G QSFP-DD ports with native 200G, 100G, and 40G backwards compatibility
- 51.2 Tbps non-blocking switching capacity for hyperscale spine architectures
- Wire-rate MACsec AES-256 encryption on first 16 ports for secure east-west traffic
- Flexible port breakout: 4x100G, 4x50G, 4x25G, 4x10G, 2x200G per QSFP-DD port
- Cisco Cloud Scale ASIC technology with 120 MB shared buffer for burst handling
- Dual NX-OS and ACI fabric modes (spine and leaf support)
- Advanced Layer 2 and Layer 3 routing protocols (OSPF, BGP, IS-IS, EIGRP)
- VXLAN with BGP EVPN for overlay network virtualisation
- Multicast routing with PIM-SM, PIM-SSM support
- Quality of Service (QoS) with 8 egress queues per port
- Comprehensive security: ACLs, uRPF, CoPP, RBAC, AAA
- Cisco TrustSec integration for policy-based segmentation
- Python scripting and programmability with NX-API
- Telemetry streaming for real-time analytics and monitoring
- Hot-swappable redundant power supplies and fans (3+1 redundancy)
- Port-side intake airflow for consistent data centre thermal management
- Graceful Insertion and Removal (GIR) for maintenance without disruption
- Bidirectional Forwarding Detection (BFD) for fast failure detection
- 802.1Q VLAN tagging, Q-in-Q, private VLANs
- Link Aggregation Control Protocol (LACP) and vPC for high availability

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

Technical Specifications

64x 400G QSFP-DD ports (backwards compatible with 200G, 100G, 40G)
- 2x 1/10G SFP+ ports for out-of-band management
- Switching capacity: 51.2 Tbps
- Throughput: 8.35 billion packets per second (Bpps)
- Breakout support: 4x100G, 4x50G, 4x25G, 4x10G, 2x200G per port
- MACsec encryption: Wire-rate AES-256 on first 16 ports
- CPU: 6-core processor
- Memory: 32 GB system RAM
- Storage: 128 GB SSD
- Shared buffer: 120 MB
- Management: 1x 10/100/1000Base-T, 1x 1G SFP, USB, RS-232 console
- Power: AC 100-240V, 50-60Hz; typical 1324W, maximum 3000W
- Redundant power supplies and fans (3+1 fan redundancy)
- Dimensions (HxWxD): 8.76 x 43.94 x 75.65 cm (2RU)
- Operating system: Cisco NX-OS
- Supports ACI spine and leaf modes
- IPv4 LPM routes: ~1 million; IPv4 host entries: ~1 million
- MAC address table: ~500,000 entries
- Multicast routes: 256,000
- IGMP snooping groups: 32,000

FAQs

Q: What breakout options does the N9K-C9364D-GX2A support?
A: Each 400G QSFP-DD port supports multiple breakout configurations: 4x100G, 4x50G, 4x25G, 4x10G, and 2x200G. This allows up to 256 ports of 100G or lower speeds, providing deployment flexibility for mixed-speed fabrics.

Q: Which ports support MACsec encryption?
A: The first 16 ports (Ethernet 1/1 through 1/16) support wire-rate MACsec AES-256 encryption and Cloudsec, enabling secure east-west traffic in multi-tenant data centre environments without performance penalty.

Q: Is this switch suitable for AI/ML and high-performance computing workloads?
A: Yes, the 9364D-GX2A is optimized for AI/ML workloads with 51.2 Tbps throughput, large 120 MB shared buffer for burst absorption, and ultra-low latency. It is ideal for GPU cluster interconnects and hyperscale spine architectures.

Q: What operating modes does this switch support?
A: The switch runs Cisco NX-OS and supports both standalone NX-OS mode and Cisco ACI fabric mode. It can function as an ACI spine or leaf switch, providing flexibility for brownfield and greenfield deployments.

Q: What power supply options are available for the N9K-C9364D-GX2A?
A: The switch supports redundant hot-swappable AC power supplies including the NXA-PAC-3200W-PI and NXA-PAC-1500W-PI models. Typical power consumption is 1324W with maximum draw of 3000W at full load.

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