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N9K-C9236C
Cisco N9K-C9236C N9200 36-Port 100 Gigabit Ethernet Switch
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N9K-C9236C is a fixed-fiber data center switch with 36 QSFP28 ports supporting 40G and 100G connectivity in a 1U rack chassis. This N9200 model serves spine or aggregation connections, with Layer 2+ base NX-OS operation and no PoE output. Its network interfaces are built in, so uplink connections do not require a removable expansion card. The Cisco N9236C belongs to the Nexus 9000 family. The discontinued N9K-C9236C= spare variant excludes power supplies and fans, making the complete ordering code important when matching replacement hardware. Identify peer devices and intended link roles on the port map before finalizing the hardware configuration.
N9K-C9236C price for new stock is $2,693.25, a 93.3% saving from the Cisco list price of $40,250.00. N9K-C9236C refurb price is $1,128.75. N9K-C9236C is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for N9K-C9236C for additional pricing. Browse the full Cisco Nexus 9200 Switches series or explore all Cisco products.
7200 Gbps switching capacity serves the fixed high-speed port bank. More than 5300 Mpps forwarding capacity describes packet-handling performance independently of bandwidth. Static routes, SVIs and HSRP operate without an additional routing license, allowing gateway configuration with the base feature set. N9K-C9236C has 16 GB of system memory for control-plane operation and a 64 GB SSD for local software and file storage. A 30 MB shared buffer provides packet-queuing resources; buffer utilization can be monitored per port and queue. The forwarding resources provide 92000 MAC entries and a default 6000 LPM routes, with IP host entries maintained as a separate 96000-entry resource. NX-API accepts JSON or XML remote procedure calls over HTTP/HTTPS for integration with management workflows. Onboard Python and Bash support local automation, while the RS-232 serial connection provides console access. Size route and host requirements separately rather than treating the two resources as interchangeable address-table capacity.
ORM Systems offers N9K-C9236C new sealed or certified refurbished: new units carry up to a 3-year extended warranty, certified refurbished units up to 1 year, and every condition has 30-day returns; terms apply. Certified refurbished units are inspected and bench-tested, with optics bay recognition checked, firmware verified, and configuration wiped to factory default. Specify condition, power configuration and quantity on the PO; Cisco's original 1-year limited hardware warranty and service ended February 28, 2025, while N9K-C9236C-RF identifies Cisco remanufactured hardware, not ORM's certified refurbishment. Enterprise and volume orders support PO acceptance, Net-30 for government, and RMA with advance replacement, with regional stock and RMA across the UK, EU, US and MEA.
| Key Specs | Key Spec Values |
|---|---|
Operating System | NX-OS |
Port Configuration | 36 x 40/100G QSFP28 |
Max Power Draw | 640W |
Cooling | 4 fans |
Lifecycle Status | End of support February 28, 2025 |
Replacement PID | N9K-C9336C-FX2 successor / N9K-C9236C-RF Cisco remanufactured |
In a hyperscale cloud environment, deploy the Cisco Nexus 9200 N9K-C9236C 36-port 40G/100G QSFP28 switch as the spine in a leaf-spine fabric. Benefit: Delivers 3.6 Tbps non-blocking throughput, sub-600 ns latency, and seamless horizontal scaling to support explosive east-west traffic growth with zero service disruption.
At the telco provider edge, integrate the Nexus 9200 N9K-C9236C (36×40G/100G QSFP28) to aggregate and backhaul 5G cell-site traffic over MPLS-SR. Outcome: Simplifies multi-service orchestration, delivers guaranteed SLA-driven ultra-low latency, and reduces OPEX by 30% through automated routing and high-density port consolidation.
In an enterprise AI/ML training cluster, use the Nexus 9200 N9K-C9236C 36-port 40G/100G QSFP28 switch to build a low-latency, high-bandwidth GPU interconnect. Benefit: Achieves sub-microsecond port-to-port latency, full-bisection 100G bandwidth, and advanced buffer management—doubling model training throughput and maximizing compute efficiency.
When an installed fabric needs matching replacement hardware rather than a redesign, hardware and entitlement compatibility become the purchase trigger. Software maintenance ended February 27, 2021. Include the approved software release, stored configuration files and acceptance of that maintenance boundary in the replacement requirements before issuing the purchase order.
When multiple data center rows have different cold-aisle orientations, airflow direction becomes a line-item requirement. Port-side intake and port-side exhaust configurations are available. Specify NXA-PAC-650W-PI for port-side intake or NXA-PAC-650W-PE for port-side exhaust, and confirm that the ordered cooling configuration matches the selected direction before issuing the PO.
When replacement units must receive site-specific settings before shipment to an equipment room, Power-On Auto Provisioning provides an initial configuration path. POAP can install configuration files and upgrade software images during first deployment. Prepare approved images, configuration files and the staging workflow before specifying the hardware batch on the purchase order.
Continued manufacturer support for production
N9K-C9236C passed its last support date on February 28, 2025; Cisco service has ended. N9K-C9336C-FX2 is the current migration model when manufacturer lifecycle coverage is required.
Dynamic routing without additional licensing
N9K-C9236C does not bundle advanced routing entitlements. OSPF, BGP and EIGRP require separately licensed software; specify compatible NXOS-AD-XF coverage rather than assuming the base chassis includes it.
Directly powered copper access endpoints
N9K-C9236C has no RJ-45 access ports or PoE output. Its QSFP28 network interfaces cannot directly connect and power copper PoE endpoints.
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| N9K-C9236C |  N9K-C93108TC-EX |  N9K-C9364C |  N9K-C9504 |  N9K-C9272Q | |
|---|---|---|---|---|---|
| Depth | 571 mm | 571 mm | 565.8 mm | 842 mm | 623 mm |
| Form Factor | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 2U | Chassis | Rack-Mount 2U |
| Height | 44 mm | 44 mm | 85.9 mm | 311 mm | 89 mm |
| Manufacturer Part Number | N9K-C9236C | N9K-C93108TC-EX | N9K-C9364C | N9K-C9504 | N9K-C9272Q |
| Width | 439 mm | 439 mm | 441.3 mm | 445 mm | 442 mm |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviewed on the 14 September 2019
36-port 40/100G QSFP28 switch provided reliable high-speed connectivity for spine layer.
Reviewed on the 7 December 2023
Excellent scalability and enterprise-grade performance.
Reviewed on the 10 July 2020
Easy configuration and stable operation under heavy workloads.
Reviewed on the 1 November 2023
Cisco hardware delivered consistent and predictable throughput.
Reviewed on the 9 September 2024
Professional-grade switch for demanding ACI spine deployments.
N9K-C9236C identifies a fixed N9200 switch with 36 40G/100G QSFP28 ports. N9K denotes the Nexus 9K family, while C9236C is the model identifier for this configuration. The complete base PID does not specify a network-license tier or a regional power-supply selection.
N9K-C9236C is managed through NX-OS commands, NX-API over HTTP/HTTPS, and onboard automation using Python or Bash. An RS-232 serial connection provides local console access. NX-API supports JSON and XML remote procedure calls, allowing management workflows to use programmatic requests instead of relying exclusively on interactive configuration sessions.
N9K-C9236C is discontinued and no longer supported by Cisco: end of sale was February 28, 2020, and last support was February 28, 2025. New sealed inventory does not restore manufacturer coverage. The current migration model is N9K-C9336C-FX2; existing installations must treat the older chassis as an unsupported hardware choice.
ORM Systems offers N9K-C9236C new sealed with up to a 3-year extended warranty, or certified refurbished with up to 1 year. Every condition includes 30-day returns; terms apply. Cisco's original 1-year limited hardware warranty and manufacturer service ended February 28, 2025. Certified refurbished units are inspected and bench-tested, with firmware verified and configuration wiped to factory default.
N9K-C9236C requires no subscription for its base functions. Advanced features need a separate entitlement: legacy Enterprise Services uses N93-LAN1K9, which is no longer sold, while NX-OS Advantage uses perpetual NXOS-AD-XF. Essentials perpetual licenses are no longer sold. Neither new sealed condition nor certified refurbishment substitutes for the required software entitlement.
N9K-C9236C has 36 fixed QSFP28 network ports, each configurable as one 100G link, one 40G link, four 10G links, four 25G links or two 50G links. Breakout mode changes the connection layout, not the number of physical cages. Specify the required mode and compatible link media for each connection before ordering.
N9K-C9236C has a 640W maximum AC power consumption figure and a 275W typical AC figure. Use the maximum for rack power and cooling planning rather than assuming typical draw represents the upper bound. Confirm installed power-supply type and site input requirements separately; supply wattage is not the product's power consumption.
The Cisco N9236C supports static routes, SVIs and HSRP without a separate routing license. OSPF, EIGRP and BGP belong to advanced licensed functionality rather than the base feature set. Match the installed entitlement to the planned configuration before staging; the base PID alone does not confirm that dynamic routing is licensed.
The Cisco N9236C is a 1U rack switch with a chassis measuring 44 mm high, 439 mm wide and 571 mm deep. Its 8.3 kg chassis weight excludes power supplies and fans. Confirm rack depth, mounting clearances and the fully configured load rather than sizing the rack from the bare-chassis weight alone.
N9K-C9236C supports NXA-PAC-650W-PI or NXA-PAC-650W-PE for 650W AC power, UCSC-PSU-930WDC or UCS-PSU-6332-DC for 930W DC power, and N9K-PUV-1200W for 1200W universal power. Select the correct input method and airflow direction, then confirm the supplied PSU configuration on the purchase order; two PSU positions are available.
The Cisco N9236C provides 16 GB of system memory, a 64 GB SSD and a 30 MB shared packet buffer. Its default forwarding resources include 92000 MAC entries, 6000 LPM routes and 96000 IP host entries. These are distinct resources, so network sizing must not merge host entries with LPM route capacity or treat the SSD as DRAM.
N9K-C9236C= is the discontinued spare chassis without power supplies or fans, while N9K-C9236C is the standard switch ordering code. The spare variant suits replacement work where compatible components are already available; the base code suits procurement of a standard configuration. Neither ordering code restores ended Cisco service.
N9K-C9272Q provides 72 physical network ports, compared with 36 on N9K-C9236C. Both models are discontinued and past Cisco support. Compare physical connection requirements against the installed configuration rather than assuming the larger chassis is an identical replacement. N9K-C9272Q fits larger existing port-count requirements; N9K-C9236C fits an existing 36-port layout.
The N9K-C9236C last date of support was February 28, 2025, while N9K-C9336C-FX2 is currently available to order as the migration model. New sealed stock does not change the older unit's support status. N9K-C9236C suits an accepted unsupported replacement requirement; N9K-C9336C-FX2 suits buyers planning migration to a current model.
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