• Cisco Nexus 9018 switch with N9K-X9536PQ 36-port QSFP+ line card
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Cisco

Cisco N9K-X9536PQ | Nexus 9500 36-Port 40G QSFP+ Line Card, 2.88 Tbps

N9K-X9536PQ

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Description

The Cisco N9K-X9536PQ is a high-density 36-port 40 Gigabit Ethernet QSFP+ line card engineered for the Nexus 9500 Series modular chassis. Designed for 10 and 40 Gigabit Ethernet access and aggregation deployments, this line card delivers 2.88 Tbps throughput in a 1.5:1 oversubscribed architecture with 104 MB of packet buffering. Supported in 4-, 8-, and 16-slot Nexus 9500 chassis, it provides VXLAN routing and bridging capabilities for modern data center fabrics running NX-OS.

Features

36 x 40 Gigabit Ethernet QSFP+ ports for high-density connectivity
- Support for 10G breakout via QSFP+ to 4 x 10G SFP+ cables
- VXLAN routing and bridging for overlay network architectures
- 104 MB packet buffer for burst traffic absorption
- Hot-swappable design for seamless installation and replacement
- Compatible with standard QSFP+ transceivers and DAC cables
- NX-OS CLI and GUI management
- Optimized for data center access and aggregation layers
- Support for Layer 2 and Layer 3 forwarding
- Auto-discovery upon insertion into Nexus 9500 chassis

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

36 x 40 Gigabit Ethernet QSFP+ ports
- Throughput: 2.88 Tbps
- Forwarding rate: 2.86 bpps (billion packets per second)
- Architecture: 1.5:1 oversubscription
- Packet buffer: 104 MB
- Chassis compatibility: Nexus 9500 4-slot, 8-slot, and 16-slot
- Fabric module compatibility: N9K-C9504-FM, N9K-C9508-FM, N9K-C9516-FM
- Fabric modules required: 3 modules for maximum bandwidth
- Operating mode: NX-OS only
- Power consumption: 240 W maximum, 160 W typical
- Weight: 11.48 lb (5.2 kg)
- Operating temperature: 0°C to 40°C
- Operating humidity: 10% to 90% (non-condensing)

FAQs

Q: What chassis models support the N9K-X9536PQ line card?
A: The N9K-X9536PQ is compatible with all Nexus 9500 Series chassis including the 4-slot (N9K-C9504), 8-slot (N9K-C9508), and 16-slot (N9K-C9516) models running NX-OS mode. It requires compatible fabric modules (N9K-C95xx-FM) to operate.

Q: What is the 1.5:1 oversubscription architecture?
A: The 1.5:1 oversubscription means the line card has 36 ports delivering 2.88 Tbps total throughput, with fabric bandwidth shared across ports. This design is optimized for aggregation use cases where not all ports operate at line rate simultaneously, balancing density and cost.

Q: Can the QSFP+ ports be used for 10 Gigabit Ethernet connections?
A: Yes, each 40G QSFP+ port can be broken out into 4 x 10G connections using appropriate breakout cables and transceivers, enabling up to 144 x 10 Gigabit Ethernet connections from a single line card.

Q: How many fabric modules are needed for full performance?
A: The N9K-X9536PQ requires 3 fabric modules installed in the Nexus 9500 chassis to achieve maximum bandwidth of 2.88 Tbps. Fewer fabric modules will reduce available throughput.

Q: Does this line card support Cisco ACI and VXLAN?
A: The N9K-X9536PQ supports VXLAN routing and bridging in NX-OS mode. For ACI deployments, verify software compatibility and licensing requirements for your specific Nexus 9500 chassis and fabric configuration.

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