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N2K-C2348UPQ
Cisco N2K-C2348UPQ Nexus 2300 48-Port 10 Gigabit Fabric Exte...
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N2K-C2348UPQ provides 48 fixed 1/10G SFP+ host interfaces and six fixed 40G QSFP+ fabric interfaces in a 1U data center chassis. This Layer 2 fabric extender operates as a remote I/O module for a compatible parent Nexus switch, not as an independent switch. Server traffic passes through the parent, which controls forwarding policies and management. The Cisco Nexus 2348UPQ belongs to the Nexus 2300 fabric extender family and uses optical or supported direct-attach connections rather than native RJ-45 access ports. Its unified-capable host interfaces require the parent configuration to match the intended Ethernet or storage service. The discontinued N2K-C2348UPQ-10GE= spare chassis omits the power supplies and fans supplied with the complete configuration.
N2K-C2348UPQ price for new stock is $8,410.50. N2K-C2348UPQ refurb price is $241.50. N2K-C2348UPQ is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for N2K-C2348UPQ for additional pricing. Browse the full Cisco Nexus 2300 Fabric Extenders series or explore all Cisco products.
1440 Gbps hardware forwarding capacity and 2160 Mpps forwarding performance describe the extender's forwarding hardware; they do not remove its dependence on upstream switching. A 32 MB shared packet buffer accommodates traffic bursts across the host interfaces. The fabric connection provides 240 Gbps in each direction, or 480 Gbps full duplex, so aggregate host demand must be considered separately from internal forwarding capacity. N2K-C2348UPQ also provides an HDMI management/console connector for local access. A 200W maximum input power figure sets the chassis allowance for electrical planning, while typical input operation is 125W. Supply selection determines the required electrical feed, and the parent switch determines the supported operating configuration.
Specify N2K-C2348UPQ in new sealed or certified refurbished condition, and identify the required connection components and included assemblies by part number on the PO. Certified refurbished units are inspected and bench-tested for power-on and POST, every port linking at rated speed, clean boot, optics bay recognition, PSU status, and fan status; firmware is verified and configurations are wiped to factory default. New units carry up to 3-year extended warranty and certified refurbished units up to 1 year; returns are 30 days on every condition, terms apply. Enterprise and volume POs are accepted, with Net-30 for government orders and RMA with advance replacement.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 48 x 1/10G SFP+ / 6 x 40G QSFP+ |
Max Power Draw | 200W |
Cooling | 3 fans: NXA-FAN-30CFM-F / NXA-FAN-30CFM-B |
Replaces | N2K-C2248PQ / N2K-C2248PQ-10GE EOS 2016-11-02 / N2K-C2232PP / N2K-C2232PP-10GE EOS 2020-09-09 |
Lifecycle Status | End of sale: August 24, 2022 |
Replacement PID | N9K-C93180YC-FX3 |
Deploy N2K-C2348UPQ as a top-of-rack fabric extender in a private cloud with 48 x 1/10GE SFP+ connections to hypervisor hosts and 6 x 40G QSFP uplinks to Nexus spine switches. This architecture delivers ultra-dense host connectivity, seamless scale-out and single-pane management via a parent Nexus 9000, reducing operational complexity by 30% and enabling cost-effective expansion of virtual workloads with sub-microsecond latency.
Integrate the N2K-C2348UPQ into an HPC or big-data analytics cluster to aggregate 48 compute nodes over 10GE SFP+ links with 6 x 40G QSFP uplinks for spine connectivity. The port density and low-latency switching accelerate distributed compute jobs, delivering up to 60% faster data shuffles and sustaining RDMA-over-Converged-Ethernet performance. Centralized management through Nexus 9000 simplifies firmware updates and QoS policies for predictable, high-throughput workloads.
Use N2K-C2348UPQ in a multi-tenant colocation facility or campus wiring closet to terminate 1/10GE customer links and aggregate traffic over 40G uplinks to core Nexus switches. This FEX enables rapid tenant provisioning, strict VRF-based segmentation and uniform policy enforcement. By offloading port density and spanning-tree complexity to the parent switch, operators achieve 50% faster on-boarding and maintain carrier-grade SLAs with end-to-end visibility and automated fault isolation.
When replacing an older fiber-connected fabric extender, N2K-C2248PQ and N2K-C2248PQ-10GE map to this chassis, while the server cabling still needs a separate review. Compare the existing parent, airflow, and optical connections with the replacement configuration; identify retained and newly required components before approving the purchase order.
When standardizing spare assemblies across rack rows, intake and exhaust configurations need separate parts schedules. N2200-PAC-400W pairs with NXA-FAN-30CFM-F for port-side exhaust; N2200-PAC-400W-B pairs with NXA-FAN-30CFM-B for port-side intake. Match the installed cooling direction and specify each replacement assembly by part number before placing the purchase order.
When staging a unit with one power supply temporarily removed, the unused supply bay requires N2200-P-BLNK= to preserve the intended airflow. Single-supply operation also removes power redundancy. Include the blanking component in the staging parts schedule and verify the retained supply's condition before approving the hardware order.
Independent switching without a parent
N2K-C2348UPQ depends on a parent Nexus switch for forwarding control and management. The current replacement, N9K-C93180YC-FX3, is a data center switch rather than a fabric extender.
25G hosts or 100G uplinks
N2K-C2348UPQ supports 10G host interfaces and 40G fabric interfaces. N9K-C93180YC-FX3 retains 48 host ports while supporting 25G host connections and 100G uplinks.
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| N2K-C2348UPQ |  N2K-C2248TP-E |  N2K-C2232PP |  N2K-C2348TQ |  N2K-C2232TF-E | |
|---|---|---|---|---|---|
| Depth | 356.9 mm | 449.6 mm | 449.6 mm | 433.6 mm | 449.6 mm |
| Ethernet Technology | 10 Gigabit Ethernet | Gigabit Ethernet | 10 Gigabit Ethernet | 10 Gigabit Ethernet | 10 Gigabit Ethernet |
| Form Factor | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U |
| Height | 43.7 mm | 43.7 mm | 43.7 mm | 43.7 mm | 43.7 mm |
| Manufacturer Part Number | N2K-C2348UPQ | N2K-C2248TP-E | N2K-C2232PP | N2K-C2348TQ | N2K-C2232TF-E |
| Power Consumption | 200W | 110W | 270W | 350W | 300W |
| Switching Capacity | 1440 Gbps | 176 Gbps | 800 Gbps | 480 Gbps | 800 Gbps |
| Weight | 7 kg | 8 kg | 8.3 kg. | 8 kg. | 8.4 kg |
| Width | 439.4 mm | 439.4 mm | 439.4 mm | 439.4 mm | 439.4 mm |
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Reviewed on the 18 June 2020
High-performance 10GE FEX with QSFP uplinks streamlined our data center aggregation.
Reviewed on the 27 December 2024
Reliable and compact design for server access deployment.
Reviewed on the 27 April 2018
Handles heavy traffic efficiently with predictable latency.
Reviewed on the 17 March 2024
Professional-grade FEX, easy to integrate with Nexus core.
Reviewed on the 21 May 2023
Stable, reliable, and high-performing solution.
N2K-C2348UPQ identifies the Cisco Nexus 2348UPQ 10GE Fabric Extender chassis with 48 1/10G host interfaces and six 40G fabric interfaces. The complete configuration includes two power supplies and three fan modules, with power and airflow choices specified separately. Required transceivers must also be identified for the intended connections.
A parent Cisco Nexus switch centrally manages N2K-C2348UPQ as a remote I/O module and controls its forwarding policies. The chassis also has an HDMI management/console connection. Specify the parent model and operating configuration before purchase so that commissioning and local access requirements are established for the complete system.
N2K-C2348UPQ reached end of sale on August 24, 2022, and its last date of Cisco support is August 31, 2027. Vulnerability and security support ended August 23, 2025. Remaining support depends on applicable entitlements, and the replacement for a current hardware migration is N9K-C93180YC-FX3.
ORM offers N2K-C2348UPQ new sealed or certified refurbished, with up to 3-year extended warranty on new units and up to 1 year on refurbished units. Returns are 30 days on every condition; terms apply. Cisco's separate 1-year limited hardware warranty cannot extend applicable Cisco support beyond August 31, 2027.
N2K-C2348UPQ replaces N2K-C2248PQ, N2K-C2248PQ-10GE, N2K-C2232PP, and N2K-C2232PP-10GE. The 2248PQ models ended sale on November 2, 2016; the 2232PP models ended sale on September 9, 2020. All four are discontinued predecessors. A replacement order still requires checks of parent compatibility, connection components, and the installed rack configuration.
SFP-10G-SR supports 10G host connections, and QSFP-40G-SR4 supports 40G fabric connections on N2K-C2348UPQ. Specify the fiber type and components at both ends of each link on the purchase order. A compatible extender-side transceiver does not establish compatibility with an unspecified parent interface or the installed fiber connection.
Nexus 2300 unified ports on the Nexus 2348UPQ do not support native Fibre Channel when connected to Nexus 9000 parents. FCoE is also unsupported with those parents. A storage-convergence purchase therefore requires confirmation of the parent and operating mode, rather than selecting hardware from connector compatibility alone.
The Nexus 2348UPQ has a maximum input operating power of 200W and a typical figure of 125W. Use the maximum for the chassis electrical allowance rather than substituting a power supply's output rating. The selected supply configuration determines the input feed, so specify that configuration before approving the order.
No, N2K-C2348UPQ requires a compatible parent Nexus switch because the fabric extender passes traffic upstream for forwarding control. Internal forwarding hardware does not make the chassis an autonomous switch. A purchase order for an additional unit should identify the existing parent and confirm available interfaces and compatibility before release.
N2K-C2348UPQ provides 48 host interfaces, while N2K-C2332TQ provides 32; their host connections are SFP+ and RJ-45 respectively. N2K-C2332TQ is discontinued, with Cisco support ended September 30, 2025. The former suits higher-density fiber-connected rack requirements; the latter is relevant to an existing 32-port copper-connected installation rather than a current upgrade.
N2K-C2348UPQ includes power and cooling assemblies, whereas N2K-C2348UPQ-10GE= is a spare chassis without power supplies or fans. Both are discontinued. The complete configuration suits an assembled-unit order; the spare version requires separately identified compatible assemblies and is not an assembled substitute for a complete device.
N9K-C93180YC-FX3 supports 25G host connections and 100G uplinks, while N2K-C2348UPQ supports 10G hosts and 40G fabric connections. N9K-C93180YC-FX3 is the current replacement. The discontinued extender addresses maintenance of an existing parent-managed installation; the replacement suits buyers moving to the newer data center switch architecture and higher interface speeds.
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