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N3K-C3636C-R
Cisco N3K-C3636C-R Nexus 3636C-R 36-Port 100 Gigabit Etherne...
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N3K-C3636C-R provides 36 fixed QSFP28 data ports in a 1U chassis for 100 Gigabit Ethernet connectivity, with Layer 3 functionality dependent on the selected software entitlements. The Cisco Nexus 3636C-R serves data center spine, IP storage, DMZ and edge-routing deployments within the R-Series family. Native fiber interfaces distinguish this non-PoE design from copper endpoint access switches, and its fixed configuration has no removable uplink-card bay. N3K-C36180YC-R instead provides 48 SFP28 data ports and six QSFP28 ports, offering a mixed port arrangement rather than an all-QSFP28 design. Specify the required interface layout before treating these models as interchangeable.
N3K-C3636C-R price is $151,646.99, a 50% saving from the Cisco list price of $303,293.98. 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 Cisco Nexus 3600 Switches series or explore all Cisco products.
7200 Gbps switching capacity defines aggregate fabric bandwidth; line-rate forwarding across all ports applies to packets larger than 115 bytes. 3340 Mpps maximum forwarding rate establishes a separate packet-processing ceiling for traffic sizing. A 16 GB packet buffer provides queue capacity during traffic bursts. N3K-C3636C-R uses 32 GB DRAM and 128 GB boot flash for NX-OS operation and local image storage. RSTP/MSTP provide spanning-tree control, while LACP groups Ethernet links. Full OSPF, EIGRP and BGP require routing entitlements rather than the chassis alone. Hardware table limits also need to be distinguished from the scalability validated for the intended NX-OS release.
Specify new sealed or certified refurbished N3K-C3636C-R together with the required hardware configuration and software entitlements. Certified refurbished units are inspected and bench-tested for power-on and POST, clean boot, every port linking at rated speed and optics bay recognition; firmware is verified and configurations are wiped to factory default. New units carry up to a 3-year extended ORM warranty and certified refurbished units up to 1 year; every condition has 30-day returns, terms apply. Submit a PO for enterprise or volume orders; government buyers receive Net-30, RMA includes advance replacement, and regional stock and RMA cover the UK, EU, US and MEA.
| Key Specs | Key Spec Values |
|---|---|
Operating System | NX-OS |
Port Configuration | 36 x 100G QSFP28, native 40G supported |
Max Power Draw | 1341W |
Cooling | 3 x NXA-FAN-65CFM-PI or 3 x NXA-FAN-65CFM-PE. |
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.
An aggregation redesign that needs smaller links from high-speed cages can use four 25G or four 10G connections from a QSFP28 port. Build the interface schedule around the intended breakout mode, not just the cage count. Specify compatible breakout cabling and matching far-end interfaces before issuing the PO.
Racks with different cold-aisle orientations need separate airflow configurations rather than one spare-module choice. Port-side intake uses NXA-FAN-65CFM-PI with NXA-PAC-2KW-PI; exhaust uses NXA-FAN-65CFM-PE with NXA-PAC-2KW-PE. Specify the direction and matching component PIDs for each location before submitting a multi-site PO.
A staging bench preparing switches before installation needs an asynchronous serial connection for initial configuration. The console defaults are 9600 baud, eight data bits, one stop bit and no parity. Include a compatible terminal connection in the staging plan and check the management addressing requirements before releasing the hardware order.
Native copper endpoint access
The data interfaces are QSFP28 cages, not RJ-45 access ports. The copper management connection does not provide an endpoint access-port alternative for this requirement.
Fanless operation
Cooling requires three NXA-FAN-65CFM-PI or three NXA-FAN-65CFM-PE modules, depending on airflow direction. This chassis does not meet a requirement for passive, fanless operation.
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| N3K-C3636C-R |  N3K-C3524P-XL |  N3K-C3132Q-XL |  N3K-C31108TCV-32T |  N3K-C3172PQ-10GE | |
|---|---|---|---|---|---|
| Depth | 793 mm | 467 mm | 505 mm | 18 inches | 432 mm |
| Ethernet Technology | 100 Gigabit Ethernet | 10 Gigabit Ethernet | 40 Gigabit Ethernet | 10/100/1000 | 10 Gigabit Ethernet |
| Flash Memory | 128 GB | 16 GB | 16 GB | 64 MB | 2 GB |
| Form Factor | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-mount | Rack-Mount 1U |
| Height | 42 mm | 43.6 mm | 44 mm | 1.75 inches | 44 mm |
| Manufacturer Part Number | N3K-C3636C-R | N3K-C3524P-XL | N3K-C3132Q-XL | N3K-C31108TCV-32T | N3K-C3172PQ-10GE |
| Memory | 32 GB | 16 GB | 8 GB | 256 MB | 4 GB |
| Power Consumption | 1341W | 193W | 290W | 175W | 293W |
| Switching Capacity | 7200 Gbps | 480 Gbps | 2500 Gbps | 320 Gbps | 1400 Gbps |
| Weight | 16.1 kg. | 7.9 kg | 9.3 kg | 15 lbs | 8.4 kg |
| Width | 440 mm | 439 mm | 439 mm | 17.5 inches | 439 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.
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Reviewed on the 9 May 2020
The NEXUS 3636C-S SWITCH offers outstanding performance with 36 ports. It's highly reliable, secure, and perfect for high-density network environments.
Reviewed on the 24 March 2026
Excellent performance and scalability. The NEXUS 3636C-S SWITCH integrates well into our infrastructure, offering fast, secure, and reliable connectivity.
Reviewed on the 15 December 2021
The NEXUS 3636C-S SWITCH has exceeded our expectations. It offers high throughput, solid reliability, and handles high-bandwidth traffic effortlessly.
Reviewed on the 6 December 2018
The NEXUS 3636C-S SWITCH is an impressive piece of equipment. It delivers top-tier performance, secure connections, and exceptional value for our network.
Reviewed on the 15 April 2025
Reliable, fast, and efficient. The NEXUS 3636C-S SWITCH supports our growing infrastructure without breaking a sweat. Perfect for heavy workloads.
N3K-C3636C-R identifies the Cisco Nexus 3636C-R switch with 36 QSFP28 ports and MACsec capability. The complete model belongs to the R-Series family. The chassis identifier does not establish an included routing license, an installed optics package or a particular power-supply airflow configuration.
N3K-C3636C-R supports the NX-OS CLI, XML/NETCONF, NX-API, SNMP versions 1, 2 and 3, and Linux Bash. An RS-232 console provides initial local configuration. Copper and fiber management interfaces support management connectivity; specify the intended connection and administrative access requirements before installation.
N3K-C3636C-R has 36 native 100G QSFP28 data ports, each also capable of native 40G operation. These are built-in interfaces rather than ports added through an uplink card. Match the selected optics and link speed to the connected equipment when defining the interface schedule.
Yes, the Nexus 3636C-R supports QSFP28 breakout configurations with four 10G or four 25G connections. Breakout operation changes the interface arrangement associated with a cage. Specify compatible breakout cabling and verify the far-end connection layout rather than ordering solely by the native port speed.
N3K-C3636C-R accepts NXA-PAC-2KW-PI or NXA-PAC-2KW-PE AC supplies and NXA-PDC-2KW-PI or NXA-PDC-2KW-PE DC supplies. The chassis accommodates redundant power. Match supply selection to the required input and airflow direction, and identify the installed components when ordering replacement power modules or a complete hardware configuration.
N3K-C3636C-R supports NX-OS Essentials and Advantage subscriptions starting at three years, plus NX-OS Advantage perpetual licensing. Essentials is subscription-only, and perpetual licenses are not portable between devices. Legacy feature-based licenses are end-of-sale, so specify the intended entitlement rather than assuming the chassis includes one.
Yes, N3K-C3636C-R supports full OSPF, EIGRP and BGP with the appropriate routing entitlement. Those capabilities are not established by the chassis identifier alone. Define the routing requirements alongside the software license and intended NX-OS release before treating the hardware as a complete routed configuration.
Cisco has not announced an end-of-sale date for Nexus 3636C-R. Hardware lifecycle and software-release support are separate considerations. Specify the intended NX-OS release and required service eligibility when preparing an order; new or refurbished hardware condition does not itself establish a software-support term.
N3K-C3636C-R has 36 QSFP28 data ports, whereas N3K-C36180YC-R has 48 SFP28 data ports and six QSFP28 ports. The difference is the interface arrangement. An all-QSFP28 requirement points to the former; a purchase requiring numerous SFP28 connections alongside QSFP28 links points to the latter.
N3K-C3064-ACC-KIT is a rack-mount option for the Nexus 3636C-R. Four-post installation uses mounting brackets and slider rails, with rack fasteners supplied by the installer. Confirm the rack arrangement, kit contents and required mounting hardware on the order rather than assuming every installation accessory is included.
ORM Systems offers N3K-C3636C-R new sealed with up to a 3-year extended warranty or certified refurbished with up to a 1-year warranty. Cisco’s separate hardware warranty is one year. Every condition has 30-day returns; terms apply. Refurbished units are inspected and bench-tested, firmware verified and wiped to factory default.
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