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N3K-C3636C-R
NEXUS 3636C-S SWITCH 36P QSFP28 MACSEC
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N3K-C3636C-R is a high-performance data center switch engineered with a non-blocking architecture that delivers low latency and reliable throughput in demanding environments. Designed for scalability, it features flexible power options with redundant supplies that ensure continuous operation and robust connectivity through an extensive selection of Ethernet and fiber ports.
Built to support layered network architectures, the N3K-C3636C-R integrates Layer 2 and Layer 3 functionalities for versatile deployment, including core, aggregation, and access scenarios. Its design enables seamless stacking and expanding capabilities, making it ideal for modern data centers and mission-critical applications where performance and uptime are paramount.
N3K-C3636C-R price is $55,654.00, a 44.3% saving from the Cisco list price of $100,006.00. N3K-C3636C-R is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for N3K-C3636C-R for additional pricing. Browse the full Nexus 3000 Switches series or explore all Cisco products.
In a large-scale enterprise data center, administrators deploy the N3K-C3636C-R-NEXUS 3636C-S switch to form a spine-leaf fabric with 36 QSFP28 100GbE ports and line-rate MACsec encryption. Benefit: Secures east-west traffic with sub-microsecond latency, simplifies compliance with data privacy regulations, and protects against lateral threat propagation.
A cloud service provider installs the N3K-C3636C-R-NEXUS 3636C-S at regional edge points to aggregate multi-tenant traffic over 100GbE QSFP28 links with port-based MACsec encryption. Benefit: Ensures tenant isolation, accelerates bandwidth scaling, and streamlines cryptographic key management for robust data confidentiality.
A telecom operator integrates the N3K-C3636C-R-NEXUS 3636C-S switch into 5G mobile edge computing sites, leveraging 36 QSFP28 ports and MACsec to securely backhaul cell-site traffic across the RAN aggregation layer. Benefit: Delivers carrier-grade encryption at line rate, meets strict SLA requirements, and supports fast service rollouts with high-density connectivity.
To get the detailed certification, please go to the Compliance Center.
 N3K-C3636C-R |  N3K-C3524P-XL |  N3K-C3132Q-XL |  N3K-C31108TCV-32T |  N3K-C3172PQ-10GE | |
|---|---|---|---|---|---|
| Depth | 18 inches | 17 inches | 17 inches | 18 inches | 11 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10GE |
| Flash Memory | 256 MB | 256 MB | 256 MB | 64 MB | 64 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | 1.75 inches | 1.75 inches | 1.75 inches | 1.75 inches |
| IOS | IP Services | IP Lite | IP Services | IP Services | IP Services |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | N3K-C3636C-R | N3K-C3524P-XL | N3K-C3132Q-XL | N3K-C31108TCV-32T | N3K-C3172PQ-10GE |
| Media Type Supported | Fiber / Combo | Combo | Fiber | Twisted Pair | Combo |
| Memory | 256 MB | 256 MB | 4 GB | 256 MB | 256 MB |
| Number of Downlink Ports | N/A | 24 Ports | 32 Ports | 32 Ports | 8 Ports |
| Number of Ethernet Ports | 24–48 Ports | 12–24 Ports | 24–48 Ports | 24–48 Ports | Under 12 Ports |
| POE Support | Non POE | POE+ | Non POE | Non POE | Non POE |
| Port/Expansion Slot Details | N/A | 24 fixed 10/100/1000 Ethernet ports and 4 fixed 10G SFP+ uplink ports | 32 x 40G QSFP+ ports | 32 fixed Ethernet ports with 4 dedicated SFP uplink ports | N/A |
| Power Consumption | N/A | 150 W | 350W | 175W | N/A |
| Power Source | Redundant Power Supply | AC Power Supply | Redundant Power Supply / AC Power Supply / N/A | Redundant Power Supply / AC Power Supply | Fixed AC Power Supply |
| Product Name | Cisco Nexus 3636C-R Data Center Switch | Cisco Nexus 3000 Series N3K-C3524P-XL | Cisco Nexus 3132Q-XL Switch | Cisco Nexus N3K-C31108TCV-32T Switch | Cisco Nexus N3K-C3172PQ-10GE Switch |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | Yes | No | Yes | Yes | No |
| SFP Ports | 24 SFP Ports | 4 SFP Ports | N/A | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 1280 Gbps | 320 Gbps | 3600 Gbps | 320 Gbps | 200 Gbps |
| Switching Capacity with Stacking | N/A | 640 Gbps | N/A | 640 Gbps | 400 Gbps |
| Uplink Configuration | 40G | 10G | 40G | 10G | 10G |
| Weight | 10 lbs | 11 lbs | 20 lbs | 15 lbs | 12 lbs |
| Width | 17.5 inches | 19 inches | 19 inches | 17.5 inches | 17.5 inches |
The NEXUS 3636C-S SWITCH offers outstanding performance with 36 ports. It's highly reliable, secure, and perfect for high-density network environments.
Excellent performance and scalability. The NEXUS 3636C-S SWITCH integrates well into our infrastructure, offering fast, secure, and reliable connectivity.
The NEXUS 3636C-S SWITCH has exceeded our expectations. It offers high throughput, solid reliability, and handles high-bandwidth traffic effortlessly.
The NEXUS 3636C-S SWITCH is an impressive piece of equipment. It delivers top-tier performance, secure connections, and exceptional value for our network.
Reliable, fast, and efficient. The NEXUS 3636C-S SWITCH supports our growing infrastructure without breaking a sweat. Perfect for heavy workloads.
The N3K-C3636C-R is a Cisco Nexus 3636C-S 36-port QSFP28 switch with built-in MACsec support, designed for high-density, secure 100 GbE data center deployments.
It provides 36 QSFP28 ports, each capable of 40 Gbps or 100 Gbps, delivering up to 7.2 Tbps non-blocking switching capacity.
Yes. It supports IEEE 802.1AE MACsec on all QSFP28 ports for line-rate, hop-by-hop encryption and integrity verification.
With a 7.2 Tbps switching fabric and 5.4 Bpps forwarding rate, it handles low-latency, high-volume traffic with wire-speed performance.
It runs Cisco NX-OS, offering advanced features such as VxLAN, EVPN, BGP, OSPF, and QoS for scalable fabric deployments.
Management is via a console port, dual 1 GbE management ports, USB, and full CLI/REST API support for automation.
Absolutely. Its high port density, low latency, and VxLAN EVPN support make it ideal for leaf-spine data center fabrics.
Typical power draw is 450 W (fully loaded), with front-to-back airflow in a 1-RU chassis requiring standard data center cooling.
Yes. It supports virtual device contexts (VDCs) and NX-API for multi-tenant isolation and programmability.
In addition to MACsec, it includes ACLs, Control Plane Policing, DHCP snooping, and IEEE 802.1X for comprehensive network security.
It is UL, CE, FCC, and RoHS compliant, and meets NEBS Level 3 requirements for reliability in carrier and enterprise environments.
High availability is achieved through dual redundant supervisors, field-replaceable power supplies and fans, and In-Service Software Upgrade (ISSU).
Cisco offers a limited lifetime hardware warranty plus various SMARTnet support tiers for 24/7 access to software updates and hardware replacement.
Use Cisco UCS Manager or NX-OS CLI to configure VPC, VxLAN EVPN, and interface policies to seamlessly extend your Cisco fabric.
Ideal use cases include high-performance computing clusters, data center leaf-spine fabrics, and secure campus aggregation layers.
Contact an authorized Cisco reseller or visit Cisco’s online store, specify SKU N3K-C3636C-R, and select any optional support or licensing you require.