United States$5,000,000+
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Richard Hall
5
Enhanced memory handled large routing tables easily.
N3K-C3548P-XL
NEXUS 3548-XL 48 SFP+ PORTS ENHANCED EXTD MEM
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N3K-C3548P-XL
- Description:
- NEXUS 3548-XL 48 SFP+ PORTS ENHANCED EXTD MEM
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- Brand:
- Cisco
- GTIN:
- 889728063678
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- Warranty:
- 3
- List Price:
$29,430.00
- Price:
$8,306.0071.8% off
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N3K-C3548P-XL Overview
N3K-C3548P-XL is a high-performance data center switch engineered with a resilient, scalable architecture that supports both Layer 2 and Layer 3 functionalities. The design leverages versatile power options—including redundant AC power—to ensure uninterrupted operation, and it offers a rich mix of 10/100/1000 ports alongside high-speed uplink connectivity, meeting the rigorous demands of modern network environments.
Built for mission-critical applications, the N3K-C3548P-XL delivers consistent performance in high-density deployments. Its stacking capabilities and flexible port configurations enable seamless scalability and efficient management of network resources, making it ideally suited for enterprise data centers and campus environments that require robust power, reliable connectivity, and advanced network services.
N3K-C3548P-XL price is $8,306.00, a 71.8% saving from the Cisco list price of $29,430.00. N3K-C3548P-XL is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for N3K-C3548P-XL for additional pricing. Browse the full Nexus 3000 Switches series or explore all Cisco products.
N3K-C3548P-XL Specifications
- Product Type
- Switch
- Power Source
- Redundant Power Supply / AC Power Supply
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Rack-mount
- Power Consumption
- N/A
- Number of Ethernet Ports
- 24–48 Ports
- Number of Downlink Ports
- 48 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Twisted Pair / Fiber / Combo
- Redundant Power Supply Supported
- Yes
- Manufacturer Part Number
- N3K-C3548P-XL
- Uplink Configuration
- 40G
- IOS
- IP Services
- POE Support
- POE+
- SFP Ports
- 4 SFP Ports
- Memory
- 512 MB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Port/Expansion Slot Details
- 48 x 10/100/1000 PoE ports, 4 x 10G SFP+ uplink ports
- Flash Memory
- 256 MB
- Switching Capacity
- N/A
- Switching Capacity with Stacking
- N/A
- Product Name
- Cisco Nexus 3548P-XL Data Center Switch
- Height
- 1.72 inches
- Width
- 17.52 inches
- Depth
- 13.8 inches
- Weight
- 21.2 lbs
N3K-C3548P-XL Use Case
High-Density Spine-Leaf Architecture for Enterprise Data Centers
Deploy the N3K-C3548P-XL Nexus 3548-XL with 48 SFP+ ports and Enhanced Extended Memory as a spine or leaf switch in large-scale enterprise data centers. In a financial services environment processing millions of transactions per second, this switch delivers sub-2 µs latency, support for 1.2 Tbps throughput, and VXLAN EVPN overlays to simplify multi-tenant segmentation. Benefit: Accelerated east-west traffic, reduced network bottlenecks, and seamless scale-out with high availability, ensuring consistent application performance under peak loads.
Multi-Tenant Service Provider Infrastructure with Network Virtualization
Leverage the Cisco Nexus 3548-XL (N3K-C3548P-XL) in a colocation or cloud service provider setting to enable multi-tenant isolation and dynamic provisioning. Using its Enhanced Extended Memory for massive MAC/IP tables and 48 SFP+ ports for dense 10 GbE connectivity, carriers can host hundreds of virtual networks over a single fabric. Benefit: Rapid tenant onboarding, granular security through VXLAN and VRF-lite, and cost savings by consolidating hardware while guaranteeing SLA compliance and predictable performance.
High-Performance Computing (HPC) and AI/ML Cluster Interconnect
Integrate the Nexus 3548-XL switch into HPC and AI/ML training clusters requiring high-speed, low-latency interconnects. In research institutes running GPU-accelerated workloads, the 48 SFP+ ports provide up to 10 GbE east-west links, while Enhanced Extended Memory caches large routing and multicast tables for distributed compute jobs. Benefit: Optimized data parallelism, sub-microsecond communication between nodes, and streamlined orchestration of containerized workloads—maximizing GPU utilization and reducing time to insight.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
 N3K-C3548P-XL |  N3K-C3132Q-XL |  N3K-C3432D-S |  N3K-C3172PQ-10GE |  N3K-C3264Q | |
|---|---|---|---|---|---|
| Depth | 13.8 inches | 17 inches | 18 inches | 11 inches | N/A |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10GE | 10/100/1000 |
| Flash Memory | 256 MB | 256 MB | 256 MB | 64 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.72 inches | 1.75 inches | 1.75 inches | 1.75 inches | 1.75 inches |
| IOS | IP Services | IP Services | 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-C3548P-XL | N3K-C3132Q-XL | N3K-C3432D-S | N3K-C3172PQ-10GE | N3K-C3264Q |
| Media Type Supported | Twisted Pair / Fiber / Combo | Fiber | Fiber | Combo | Fiber |
| Memory | 512 MB | 4 GB | 4 GB | 256 MB | 4 GB |
| Number of Downlink Ports | 48 Ports | 32 Ports | 32 Ports | 8 Ports | 48 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | Under 12 Ports | Over 48 Ports |
| POE Support | POE+ | Non POE | Non POE | Non POE | Non POE |
| Port/Expansion Slot Details | 48 x 10/100/1000 PoE ports, 4 x 10G SFP+ uplink ports | 32 x 40G QSFP+ ports | 32 fixed Ethernet ports with modular uplink slot | N/A | 64 x 40GbE QSFP+ ports |
| Power Consumption | N/A | 350W | 250 W | N/A | 350W |
| Power Source | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply / N/A | AC Power Supply | Fixed AC Power Supply | Redundant Power Supply |
| Product Name | Cisco Nexus 3548P-XL Data Center Switch | Cisco Nexus 3132Q-XL Switch | Cisco Nexus 3432D Switch | Cisco Nexus N3K-C3172PQ-10GE Switch | Cisco Nexus 3264Q 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 | Yes | Yes | No | Yes |
| SFP Ports | 4 SFP Ports | N/A | 24 SFP Ports | 4 SFP Ports | N/A |
| Switching Capacity | N/A | 3600 Gbps | 1280 Gbps | 200 Gbps | 1280 Gbps |
| Switching Capacity with Stacking | N/A | N/A | 2560 Gbps | 400 Gbps | N/A |
| Uplink Configuration | 40G | 40G | 10G | 10G | 40G |
| Weight | 21.2 lbs | 20 lbs | 15 lbs | 12 lbs | N/A |
| Width | 17.52 inches | 19 inches | 19 inches | 17.5 inches | 19 inches |
Reviews & Ratings
A
Amna Rashid
5
Consistent 10G performance.
T
Tobias Wagner
4
Reliable Nexus XL platform.
J
Jessica Moore
4
Good choice for scalable networks.
S
Shahid Masood
4
Satisfied with capacity.
R
Richard Hall
4
Enhanced memory handled large routing tables easily.
A
Amna Rashid
5
Consistent 10G performance.
T
Tobias Wagner
5
Reliable Nexus XL platform.
J
Jessica Moore
5
Good choice for scalable networks.
S
Shahid Masood
5
Satisfied with capacity.
Questions & Answers
What is the Cisco Nexus 3548-XL switch (SKU N3K-C3548P-XL)?
The Cisco Nexus 3548-XL (SKU N3K-C3548P-XL) is a high-performance data center switch featuring 48 SFP+ ports, low latency, and enhanced extended memory for demanding workloads. It delivers line-rate throughput, power efficiency, and advanced NX-OS software in a compact 1RU form factor.
How many ports does the Nexus 3548-XL support?
The Nexus 3548-XL provides 48 fixed 10 Gigabit SFP+ ports and two integrated 40/100 Gigabit QSFP28 uplinks, enabling up to 1.92 Tbps of aggregate throughput for high-density server and storage connectivity.
What is enhanced extended memory in the N3K-C3548P-XL?
Enhanced extended memory on the N3K-C3548P-XL doubles the switch’s system RAM and flash capacity, improving route scale, flow table size, and overall control-plane performance for cloud and virtualization environments.
What performance can I expect from the Nexus 3548-XL?
The Nexus 3548-XL delivers line-rate Layer 2/3 switching at up to 1.92 Tbps, microsecond-level latency as low as 550 ns, and over 14.4 billion packets per second (bpps) forwarding performance for ultra-low-latency applications.
Does the Nexus 3548-XL support stacking or clustering?
While the Nexus 3548-XL does not support classic stackwise clustering, it offers Virtual Port Channel (vPC) and Cisco Fabric Extender (FEX) support for high availability, link redundancy, and scale-out topologies.
Which transceivers and modules are compatible with the N3K-C3548P-XL?
The N3K-C3548P-XL is compatible with Cisco SFP+ SR, LR, and ER optics, as well as third-party MSA-compliant SFP+ modules. Uplinks support QSFP28 modules for 40/100 Gigabit connectivity.
What power supply options are available for the Nexus 3548-XL?
The Nexus 3548-XL supports two redundant, hot-swappable power supplies (AC or DC) with power budgets up to 800W per supply, ensuring uninterrupted operation in diverse data center environments.
What management interfaces are available on the N3K-C3548P-XL?
The N3K-C3548P-XL offers a dedicated management Ethernet port, a serial console port, and USB for software upgrades and backups. It also integrates with Cisco Prime Data Center Network Manager (DCNM) and REST API for centralized orchestration.
What software features are supported on the Nexus 3500 series?
The Nexus 3500 series runs Cisco NX-OS with features like Virtual Extensible LAN (VXLAN), TRILL, EVPN, QoS, ACLs, Telemetry, and full programmability via Python, Puppet, Chef, and REST APIs for automated deployments.
What warranty and support options are available for the Nexus 3548-XL?
Cisco offers a limited lifetime hardware warranty for the Nexus 3548-XL plus 90 days of Cisco TAC support and software updates. Optional Cisco SMARTnet or Cisco Solution Support plans are available for 24×7 technical assistance and advance hardware replacement.
How energy efficient is the Nexus 3548-XL?
The Nexus 3548-XL leverages Cisco’s EnergyWise and optimized silicon design to deliver up to 1.8 Tbps per watt, reducing power and cooling costs. Its front-to-back airflow and low-power ASICs meet stringent data center efficiency standards.
Which data center environments is the 3548-XL best suited for?
The Nexus 3548-XL excels in high-performance computing, financial trading, machine learning, and front-end server access layers where ultra-low latency, high port density, and seamless scaling are critical.
Does the Nexus 3548-XL support virtualization features?
Yes. The Nexus 3548-XL supports Virtual Port Channel (vPC), Cisco TrustSec, VDCs (Virtual Device Contexts), and VXLAN with EVPN for multi-tenant segmentation, flexible workload mobility, and enhanced security in virtualized data centers.
How do I upgrade the firmware on the N3K-C3548P-XL?
Firmware upgrades on the N3K-C3548P-XL are performed via NX-OS Software commands using the CLI, USB boot, or Cisco DCNM. The hitless ISSU (In-Service Software Upgrade) capability minimizes downtime during updates.
What distinguishes the Nexus 3548-XL from the Nexus 3548?
Compared to the standard Nexus 3548, the 3548-XL features enhanced extended memory, higher forwarding scale, lower latency, and additional QSFP28 uplinks, making it ideal for more demanding, latency-sensitive workloads.