United States$5,000,000+
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D
Daniel Foster
5
High performance line card with impressive TCAM capacity.
N9K-X9636C-RX
36-port 100 Gigabit Ethernet QSFP28 line card with TCAM
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Name:
N9K-X9636C-RX
- Description:
- 36-port 100 Gigabit Ethernet QSFP28 line card with TCAM
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 818249714974
- Condition:
- Warranty:
- 3
- List Price:
$143,759.00
- Price:
$75,857.0047.2% off
Quantity:
1
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N9K-X9636C-RX Overview
N9K-X9636C-RX is a high-performance Ethernet module engineered for high-speed data center connectivity. It supports speeds up to 40Gbps using industry-standard SFP+ connectors and is designed for seamless integration with Cisco Nexus 9000 Series switches. The modular design and robust form factor ensure straightforward installation in data center environments, delivering reliable network performance for mission-critical applications.
This module is optimized for modern enterprise networks and supports key protocols such as TCP/IP and Fibre Channel, making it versatile for a range of high-speed connectivity use cases. Whether expanding data center capacity or upgrading network interfaces, N9K-X9636C-RX meets the demands of scalable, high-performance network infrastructures with its advanced design and reliable operation.
N9K-X9636C-RX price is $75,857.00, a 47.2% saving from the Cisco list price of $143,759.00. N9K-X9636C-RX is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for N9K-X9636C-RX for additional pricing. Browse the full Cisco Nexus 9000 Switch Modules & Cards series or explore all Cisco products.
N9K-X9636C-RX Specifications
- Product Type
- Network Module
- Module Type
- Ethernet
- Data Rate
- 40Gbps
- Connector Type
- SFP+
- Supported Protocols
- TCP/IP, Fibre Channel
- Form Factor
- Modular
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco Nexus 9000 Series
- Max Speed
- 40Gbps
- Supported Features
- Auto-negotiation, Jumbo Frames, QoS
- Power Consumption
- N/A
- Interface Ports
- Ethernet
- Expansion Slots
- N/A
- Product Name
- Cisco Nexus N9K-X9636C-RX
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
N9K-X9636C-RX Use Case
Hyperscale Data Center Spine-Leaf Architecture
Scenario: A hyperscale data center integrates Cisco Nexus N9K-X9636C-RX with 36 QSFP28 100GbE ports in a spine-leaf fabric to collapse 10/25GbE leaf uplinks. Outcome: Achieves 3.6 Tbps per slot throughput, consistent sub-10 µs forwarding, and scalable TCAM-based ACL enforcement, reducing network complexity and supporting exponential east-west traffic growth.
Ultra-Low Latency Trading Network Infrastructure
Scenario: A high-frequency trading firm deploys Cisco Nexus N9K-X9636C-RX in its core to process market data and order flows. Outcome: Delivers wire-speed 100 Gbps connectivity with deterministic sub-400 ns latency and hardware-based QoS and TCAM enforcement, maximizing trade execution speed and minimizing jitter.
Multi-Tenant Cloud Peering and DDoS Mitigation
Scenario: A multi-tenant cloud provider uses Cisco Nexus N9K-X9636C-RX for 100 GbE peering and inline security in core routers. Outcome: Maintains line-rate 100 Gbps throughput while enforcing granular TCAM-based ACLs and mitigating DDoS attacks in real time, ensuring tenant isolation and robust service reliability.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
 N9K-X9636C-RX |  N9K-M12PQ |  N9K-C9504-FM-S= |  N9K-X9636Q-R |  N9K-C9504-FM-R= | |
|---|---|---|---|---|---|
| Product Type | Network Module | Network Module | Network Module | Network Module / Network Card | Fabric Module |
| Module Type | Ethernet | Ethernet | SFP+ | Switching Module | Fabric Module |
| Data Rate | 40Gbps | 40Gbps | 40Gbps | 40Gbps | 40Gbps |
| Connector Type | SFP+ | QSFP+ | SFP+ | SFP28 | QSFP+ |
| Supported Protocols | TCP/IP, Fibre Channel | TCP/IP, VLAN, LACP, QoS | TCP/IP | TCP/IP | TCP/IP, Fibre Channel |
| Form Factor | Modular | Modular | Modular | Modular | Modular |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Cisco Nexus 9000 Series | Cisco Nexus 9000 Series | Cisco | Cisco | Cisco Nexus 9504 |
| Max Speed | 40Gbps | 40Gbps | 40Gbps | 40Gbps | 40Gbps |
| Supported Features | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation / Jumbo Frames / QoS | Jumbo Frames / QoS | Auto-negotiation, Jumbo Frames, QoS |
| Power Consumption | N/A | 15W | N/A | N/A | N/A |
| Interface Ports | Ethernet | QSFP+ | SFP+ | SFP28 | QSFP+ |
| Expansion Slots | N/A | N/A | N/A | N/A | N/A |
| Product Name | Cisco Nexus N9K-X9636C-RX | Cisco Nexus 9000 N9K-M12PQ Ethernet Module | N9K-C9504-FM-S= | Cisco Nexus N9K-X9636Q-R | N9K-C9504-FM-R= |
| Height | N/A | 1.7 inches | N/A | N/A | N/A |
| Width | N/A | 8.66 inches | N/A | N/A | N/A |
| Depth | N/A | 10.2 inches | N/A | N/A | N/A |
| Weight | N/A | 2.2 lbs | N/A | N/A | N/A |
Reviews & Ratings
H
Hira Salman
4
Handled large routing tables smoothly.
A
Andreas Wolf
5
Excellent choice for demanding enterprise cores.
K
Kevin Brooks
5
Stable under sustained high traffic loads.
F
Furqan Ali
5
Premium Cisco quality throughout.
Questions & Answers
What is the Cisco N9K-X9636C-RX line card?
The Cisco N9K-X9636C-RX is a 36-port 100 Gigabit Ethernet QSFP28 line card with integrated TCAM, designed for Nexus 9600 series switches to deliver high-density, low-latency data center performance.
How many 100 Gigabit Ethernet ports does the N9K-X9636C-RX provide?
The N9K-X9636C-RX offers 36 QSFP28 ports, each supporting 100 Gbps full-duplex throughput for a total of 3.6 Tbps of line-rate capacity.
What types of optics and cables are supported?
The N9K-X9636C-RX supports a full range of QSFP28 optics, direct-attach copper cables, and breakout cables, enabling flexible connectivity for DAC, SR, LR, and PAM4 applications.
What role does the TCAM play in this line card?
The integrated TCAM (Ternary Content-Addressable Memory) accelerates access control lists, QoS policies, and route lookups, ensuring wire-speed packet forwarding and granular traffic management.
Which switches are compatible with the N9K-X9636C-RX?
This line card is compatible exclusively with Cisco Nexus 9600 series modular switches, offering seamless integration and unified management via NX-OS.
What is the total switching capacity of a Nexus 9600 with N9K-X9636C-RX cards?
A fully populated Nexus 9600 chassis with eight N9K-X9636C-RX cards delivers up to 28.8 Tbps of aggregate bandwidth at line rate.
Is the N9K-X9636C-RX hot-swappable?
Yes, the N9K-X9636C-RX is hot-swappable, allowing maintenance or upgrades without disrupting network traffic.
What environmental specifications does the line card meet?
The N9K-X9636C-RX complies with NEBS Level 3, operates between 0°C and 40°C, and supports 5%–85% non-condensing humidity for data center deployment.
What power and cooling requirements are needed?
Each N9K-X9636C-RX consumes up to 400 W and requires front-to-back airflow; a properly configured Nexus 9600 chassis provides redundant power supplies and cooling.
Does the N9K-X9636C-RX support advanced routing protocols?
Yes, it supports BGP, OSPF, IS-IS, EVPN/VXLAN, MPLS, and segment routing with hardware-accelerated TCAM processing for low-latency routing.
Which data center features are optimized on this line card?
It offers VXLAN routing, Cisco ACI integration, EVPN multi-site, and comprehensive telemetry for scalable multi-tenant and cloud-native environments.
How do I install and configure the N9K-X9636C-RX?
Slide the card into an available Nexus 9600 slot, secure the latches, power on the chassis, and use NX-OS CLI or DCNM for automated discovery and configuration.
What warranty and support options are available?
Cisco offers a 90-day limited hardware warranty plus optional SMARTnet service for 24×7 technical support, hardware replacement, and software updates.
Can I mix N9K-X9636C-RX with other line cards in the chassis?
Yes, the Nexus 9600 chassis supports mixed configurations of N9K-X9636C-RX, N9K-X9636C-EX, and fabric line cards, subject to overall power and cooling budgets.
What monitoring and telemetry capabilities are included?
The card delivers advanced streaming telemetry, In-Situ Flow Analysis (IOAM), and hardware counters for real-time performance monitoring and capacity planning.
How does the N9K-X9636C-RX improve network scalability?
By providing 3.6 Tbps per card, dense 100 GbE ports, and TCAM-accelerated policies, it scales north-south and east-west traffic for modern data center fabrics.