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N5K-C56128P
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- Nexus 56128P 2RU Chassis, 48x10G SFP+, 4x40G QSFP+
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N5K-C56128P
Nexus 56128P 2RU Chassis, 48x10G SFP+, 4x40G QSFP+
$37,695.00
$13,489.00
37 in Global Warehouse
$13,489.00
64% off
TRUSTED, TRIED, PROVEN
N5K-C56128P Overview
N5K-C56128P is a high-performance switch designed to meet modern data center demands with a robust modular architecture that supports both Layer 2 and Layer 3 functions. Built with advanced power supply options including redundant AC power, it features extensive port configurations and a design optimized for scalability, ensuring that networks can grow without compromising on performance.
Optimized for demanding applications, the N5K-C56128P offers reliable stacking capability and high switching capacity that address the needs of large-scale enterprise and cloud environments. Its flexible port and expansion slot design, incorporating fixed high-speed Ethernet and uplink ports, make it an ideal choice for mission-critical use cases such as data center interconnects and virtualized deployments.
What is the price of N5K-C56128P?
Lowest price of N5K-C56128P is $ 13,489.00. Shop now! Get further exclusive discounts with bulk quotation on N5K-C56128P
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N5K-C56128P Specifications
| Product Type | Switch |
| Power Source | Redundant Power Supply / AC Power Supply |
| Layer Supported | Layer 2 / Layer 3 |
| Form Factor | Rack-mount |
| Power Consumption | 350 W |
| Number Of Ethernet Ports | Over 48 Ports |
| Number Of Downlink Ports | 48 Ports |
| Manageable | Managed |
| Ethernet Technology | 10/100/1000 |
| Media Type Supported | Combo |
| Redundant Power Supply Supported | Yes |
| Manufacturer Part Number | N5K-C56128P |
| Uplink Configuration | 10G |
| IOS | IP Services |
| POE Support | Non POE |
| SFP Ports | 24 SFP Ports |
| Memory | 256 MB |
| Rack Units | 1 RU |
| Interface Ports | 10/100/1000 |
| Port/Expansion Slot Details | 48 fixed 10G Ethernet ports and 4 40G uplink ports |
| Flash Memory | 64 MB |
| Switching Capacity | 1280 Gbps |
| Switching Capacity With Stacking | 2560 Gbps |
| Product Name | Cisco Nexus 56128P Data Center Switch |
| Height | 1.75 inches |
| Width | 17.5 inches |
| Depth | 18 inches |
| Weight | 25 lbs |
N5K-C56128P Use Case
Leaf-Spine Data Center Fabric Using N5K-C56128P Nexus 56128P 48×10G/4×40G
In a hyperscale data center, IT teams deploy the N5K-C56128P Nexus 56128P 2RU chassis with 48×10G SFP+ server ports and 4×40G QSFP+ uplinks as leaf switches. By integrating into a spine-leaf architecture, the chassis delivers non-blocking fabric, sub-microsecond latency for east-west traffic and a 1:1 oversubscription ratio. Benefit: predictable high throughput, linear scalability and simplified network operations for rapidly growing workloads.
Multi-Tenant Cloud Networking with Nexus 56128P 2RU Chassis 48×10G/4×40G
Service providers and enterprise cloud teams leverage the N5K-C56128P Nexus 56128P chassis to connect dense virtualization clusters using 48×10G SFP+ links and aggregate tenant traffic over 4×40G QSFP+ uplinks. With VRF-Lite, EVPN-VXLAN segmentation and Cisco NX-OS automation, administrators isolate tenant environments, enforce granular policies and accelerate on-boarding. Benefit: enhanced security, operational agility and rapid service provisioning in multi-tenant cloud infrastructures.
High-Performance Compute Cluster Networking on N5K-C56128P 48×10G/4×40G
In financial trading and scientific computing clusters, the N5K-C56128P Nexus 56128P provides 48×10G SFP+ server connections optimized for RDMA over Converged Ethernet (RoCE) and 4×40G QSFP+ spine uplinks. This design ensures lossless, low-latency interconnects for MPI workloads and real-time analytics. Benefit: accelerated compute cycles, reduced network bottlenecks and improved job turnaround times for time-sensitive applications.
Quality Certifications
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Product Comparison Table
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| Depth | 18.6 inches | 28 inches | 15 inches | 18 inches | 18 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 64 MB | 256 MB | 256 MB | 64 MB | 256 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 |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| IOS | N/A | IP Services | IP Services | IP Services | N/A |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | N5K-C5548UP-FA | N5K-C5672UP | N5K-C5672UP-16G | N5K-C56128P | N5K-C5596T-FA |
| Media Type Supported | Combo | Combo | Combo | Combo | Fiber |
| Memory | 256 MB | 4 GB | 512 MB | 256 MB | 512 MB |
| Number of Downlink Ports | 48 Ports | 48 Ports | 16 Ports | 48 Ports | 48 Ports |
| Number of Ethernet Ports | 24–48 Ports | Over 48 Ports | 12–24 Ports | Over 48 Ports | Over 48 Ports |
| POE Support | Non POE | Non POE | Non POE | Non POE | Non POE |
| Port/Expansion Slot Details | N/A | N/A | 16 fixed Ethernet ports with optional uplink expansion | 48 fixed 10G Ethernet ports and 4 40G uplink ports | N/A |
| Power Consumption | N/A | N/A | 200 W | 350 W | 550 W |
| Power Source | Redundant Power Supply | Redundant Power Supply | Redundant Power Supply | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply / N/A |
| Product Name | Cisco Nexus 5548UP Unified Port Switch | Cisco Nexus 5672UP Switch | Cisco Nexus N5K-C5672UP-16G Switch | Cisco Nexus 56128P Data Center Switch | Cisco Nexus 5596T Fabric Adapter |
| 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 | Yes | Yes |
| SFP Ports | 4 SFP Ports | 24 SFP Ports | Combo | 24 SFP Ports | 24 SFP Ports |
| Switching Capacity | 640 Gbps | 1280 Gbps | 320 Gbps | 1280 Gbps | 960 Gbps |
| Switching Capacity with Stacking | N/A | 2560 Gbps | 640 Gbps | 2560 Gbps | N/A |
| Uplink Configuration | 40G | 40G | 10G | 10G | 40G |
| Weight | 24 lbs | 20 lbs | 10 lbs | 25 lbs | 15 lbs |
| Width | 17.6 inches | 17.5 inches | 17.5 inches | 17.5 inches | 19 inches |
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Questions & Answers
Q
What is the Cisco Nexus 56128P chassis (SKU: N5K-C56128P)?
A
The Cisco Nexus 56128P is a 2-RU fixed chassis switch providing 48 x 10G SFP+ ports and 4 x 40G QSFP+ ports, designed for low-latency, high-density data center deployments.
Q
How many 10G and 40G ports does the Nexus 56128P support?
A
The Nexus 56128P supports 48 front-panel 10G SFP+ ports and 4 front-panel 40G QSFP+ ports for flexible uplink or server connectivity.
Q
What is the switching capacity of the Nexus 56128P?
A
It delivers up to 1.28 Tbps of switching capacity and 928 Mpps forwarding performance, ensuring line-rate throughput without oversubscription.
Q
Which Cisco NX-OS software releases are supported on the Nexus 56128P?
A
The Nexus 56128P runs Cisco NX-OS versions 5.2(1) and later, offering advanced Layer 2/3 features, VXLAN, OTV, and comprehensive automation capabilities.
Q
Does the Nexus 56128P support power redundancy?
A
Yes, it includes dual hot-swappable 770 W AC power supplies configured for N+1 redundancy, minimizing downtime during power module maintenance or failure.
Q
What fan and cooling options are available?
A
It ships with five front-to-back hot-swappable variable-speed fans in an N+1 configuration, delivering efficient airflow and thermal management.
Q
Which virtualization and fabric features are available?
A
The switch supports Virtual Device Contexts (VDC), Virtual PortChannel (vPC), VXLAN EVPN, Fabric Extenders (FEX), and Overlay Transport Virtualization (OTV) for multi-tenant segmentation and scaling.
Q
How does the Nexus 56128P handle management and automation?
A
It offers Cisco NX-API REST, Python scripting, Chef, Puppet, and Ansible integration, plus out-of-band management via a dedicated 10/100/1000 management port.
Q
What are the typical latency figures?
A
Latency is under 1 microsecond for 10G to 10G traffic and under 2 microseconds for 40G to 40G traffic, ensuring ultra-low delay for latency-sensitive applications.
Q
What power and thermal specifications should I plan for?
A
Typical power consumption is 800 W (AC) under full load, with an operating temperature range of 0°C to 40°C and a maximum humidity of 85% non-condensing.
Q
How do I upgrade uplinks from 40G to 100G?
A
You can upgrade uplinks by installing third-party 100G QSFP28 transceivers into the 40G QSFP+ slots, provided the connected NX-OS release supports 100G speeds.
Q
What stacking or clustering options does it support?
A
The Nexus 56128P does not support traditional stacking but enables high-availability clustering through vPC and Layer 2 multipathing for seamless redundancy.
Q
Can I deploy the Nexus 56128P in a multi-tenant environment?
A
Yes, with VXLAN EVPN, VDCs, VRFs, and role-based access control, the switch isolates tenants securely and scales overlays across the data center fabric.
Q
What warranty and support are included?
A
Cisco provides a limited lifetime hardware warranty, 90 days of software updates, and complimentary 90-day Cisco SMARTnet™ for technical support; extended coverage is available.
Q
How do I perform software upgrades safely?
A
Use the ISSU (In-Service Software Upgrade) feature to upgrade NX-OS images without traffic interruption, leveraging dual active supervisors in supported chassis.
Q
Which rack units and power rails are required?
A
The Nexus 56128P occupies 2 RU in a standard 19-inch rack and requires two 20 A circuits per redundant power supply for full-load operation.
