United States$5,000,000+
Inventory Delivered By
O
Oliver Grant
5
Reliable 100G line card with strong buffering.
N9K-X9636C-R
NEXUS 9500R BUFFER LINECARD 36P 100G QSFP28
FEATURED DEAL
Name:
N9K-X9636C-R
- Description:
- NEXUS 9500R BUFFER LINECARD 36P 100G QSFP28
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 818249714974
- Condition:
- Warranty:
- 3
- List Price:
$92,863.00
- Price:
$49,000.0047.2% off
Quantity:
1
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N9K-X9636C-R Overview
N9K-X9636C-R is a high-performance Ethernet network module designed for use in Cisco data centers and high-speed switching environments. This modular card supports data rates of up to 40Gbps per port via QSFP+ connectors, ensuring efficient connectivity and rapid data transmission while maintaining compatibility with Cisco Nexus switches and other enterprise-grade network infrastructures.
Engineered to meet the rigorous demands of modern networking, the N9K-X9636C-R supports standard TCP/IP and Ethernet protocols, making it ideal for upgrading server network interfaces and expanding data center capacity. Its modular form factor allows for easy installation in compatible chassis, and the module’s features—including auto-negotiation, jumbo frames, and QoS—help optimize performance in diverse deployments.
N9K-X9636C-R price is $49,000.00, a 47.2% saving from the Cisco list price of $92,863.00. N9K-X9636C-R is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for N9K-X9636C-R for additional pricing. Browse the full Cisco Nexus 9000 Switch Modules & Cards series or explore all Cisco products.
N9K-X9636C-R Specifications
- Product Type
- Network Module / Network Card
- Module Type
- Ethernet
- Data Rate
- 40Gbps
- Connector Type
- QSFP+
- Supported Protocols
- TCP/IP, Ethernet
- Form Factor
- Modular
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco
- Max Speed
- 40Gbps
- Supported Features
- Auto-negotiation, Jumbo Frames, QoS
- Power Consumption
- N/A
- Interface Ports
- QSFP+
- Expansion Slots
- N/A
- Product Name
- Cisco Nexus N9K-X9636C-R
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
N9K-X9636C-R Use Case
Hyperscale Cloud Data Center Spine Expansion with N9K-X9636C-R
Scenario: A global cloud provider needs to scale its spine layer to accommodate surging VM deployments across multiple availability zones. By deploying the N9K-X9636C-R Buffer Linecard 36P 100G QSFP28 in Nexus 9500R chassis, the operator achieves 3.6 Tbps of non-blocking throughput, sub-500 ns latency and end-to-end lossless buffering. Outcome: Seamless capacity growth, predictable performance under east-west traffic surges and simplified spine upgrade without forklift replacements.
Ultra-Low-Latency Financial Trading Fabric with Nexus 9500R 100G QSFP28
Scenario: A high-frequency trading firm requires microsecond-class packet forwarding for market data feeds and order execution clusters. Integrating N9K-X9636C-R 36-port 100G QSFP28 linecards into the Nexus 9500R core delivers deep packet buffering, per-flow QoS and hardware-based congestion mitigation. Outcome: Deterministic latency under peak load, maximized trade throughput and minimized packet loss, driving competitive advantage in real-time markets.
AI/ML GPU Cluster Interconnect for High-Performance Computing
Scenario: An enterprise AI research lab needs a scalable, high-bandwidth fabric to interconnect GPU-accelerated servers for distributed model training. Deploying the N9K-X9636C-R Buffer Linecard in Nexus 9500R enables 36 100G QSFP28 links with deep buffering and advanced telemetry. Outcome: Accelerated data shuffling across nodes, improved utilization of GPU resources and predictable performance for large-scale AI workloads.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 N9K-X9636C-R |  N9K-X9636C-RX |  N9K-SUP-B |  N9K-C9504-FM-S= |  N9K-C9508-FM-R= | |
|---|---|---|---|---|---|
| Product Type | Network Module / Network Card | Network Module | Supervisor Module | Network Module | Fabric Module |
| Module Type | Ethernet | Ethernet | Supervisor | SFP+ | N/A |
| Data Rate | 40Gbps | 40Gbps | 40Gbps | 40Gbps | N/A |
| Connector Type | QSFP+ | SFP+ | N/A | SFP+ | N/A |
| Supported Protocols | TCP/IP, Ethernet | TCP/IP, Fibre Channel | TCP/IP / iSCSI / Fibre Channel | TCP/IP | N/A |
| 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 | N/A | 3.3V | N/A |
| Compatibility | Cisco | Cisco Nexus 9000 Series | Cisco | Cisco | Cisco Nexus 9500 Series |
| Max Speed | 40Gbps | 40Gbps | 40Gbps | 40Gbps | N/A |
| Supported Features | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation, Jumbo Frames, QoS | High availability / Redundancy / Auto-negotiation / QoS | Auto-negotiation / Jumbo Frames / QoS | High Availability, Scalability, Redundancy |
| Power Consumption | N/A | N/A | N/A | N/A | N/A |
| Interface Ports | QSFP+ | Ethernet | N/A | SFP+ | N/A |
| Expansion Slots | N/A | N/A | N/A | N/A | N/A |
| Product Name | Cisco Nexus N9K-X9636C-R | Cisco Nexus N9K-X9636C-RX | Cisco Nexus N9K-SUP-B Supervisor Module | N9K-C9504-FM-S= | Cisco Nexus 9508 Fabric Module (N9K-C9508-FM-R=) |
| Height | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | N/A | N/A | N/A | N/A |
| Depth | N/A | N/A | N/A | N/A | N/A |
| Weight | N/A | N/A | N/A | N/A | N/A |
Reviews & Ratings
N
Nazia Hussain
4
Integrated seamlessly into our Nexus 9500.
L
Lars Petersen
5
Consistent throughput during peak hours.
M
Monica Ruiz
3
No compatibility issues encountered.
S
Saif Mahmood
4
Very satisfied with performance.
Questions & Answers
What is the Cisco N9K-X9636C-R line card?
The N9K-X9636C-R is a 36-port 100G QSFP28 buffer line card designed for Cisco Nexus 9500R switches, delivering high-density 100 Gbps connectivity with advanced congestion-management features.
How many ports and what interface type does N9K-X9636C-R provide?
The N9K-X9636C-R offers 36 QSFP28 ports, each supporting 100 Gbps, enabling up to 3.6 Tbps of line-rate bandwidth on a single card.
What is the maximum throughput supported by N9K-X9636C-R?
When fully populated with 36×100 Gbps ports, the card delivers 3.6 Tbps of bi-directional line-rate throughput.
Which chassis models support the N9K-X9636C-R line card?
The N9K-X9636C-R is compatible with Cisco Nexus 9508R and 9516R chassis running the modular supervisor architecture.