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N3K-C31128PQ-10GE

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Nexus 31128PQ, 96 SFP+ ports, 8 QSFP+ ports, 2RU switch
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882658652158
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n3k-c31128pq-10ge nexus 31128pq, 96 sfp+ ports, 8 qsfp+ ports, 2ru switch

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Nexus 31128PQ, 96 SFP+ ports, 8 QSFP+ ports, 2RU switch

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N3K-C31128PQ-10GE Overview

N3K-C31128PQ-10GE is engineered with a modern, high-density architecture that supports both Layer 2 and Layer 3 operations, ensuring low-latency and high-throughput performance for demanding data center environments. Its robust design features an efficient AC power supply and a suite of 10GE ports—including dedicated SFP+ modules—crafted to deliver reliable, high-speed connectivity for mission-critical applications.

N3K-C31128PQ-10GE also offers reliable stacking capabilities that facilitate straightforward scalability and network expansion. Designed for versatility and performance, this switch is ideally suited for use cases ranging from large-scale enterprise deployments to data center applications where consistent uptime and a compact, rack-mount form factor are essential.

N3K-C31128PQ-10GE price is $7,116.00, a 82.2% saving from the Cisco list price of $39,869.00. N3K-C31128PQ-10GE is in stock and available for next-day dispatch. (terms applied)

Request bulk order quote for N3K-C31128PQ-10GE for additional pricing. Browse the full Nexus 3000 Switches series or explore all Cisco products.

N3K-C31128PQ-10GE Specifications

Product Type
Switch
Power Source
AC Power Supply
Layer Supported
Layer 2 / Layer 3
Form Factor
Rack-mount
Power Consumption
150 W
Number of Ethernet Ports
24–48 Ports
Number of Downlink Ports
N/A
Manageable
Managed
Ethernet Technology
10GE
Media Type Supported
Fiber
Redundant Power Supply Supported
No
Manufacturer Part Number
N3K-C31128PQ-10GE
Uplink Configuration
10G
IOS
N/A
POE Support
Non POE
SFP Ports
4 SFP Ports
Memory
256 MB
Rack Units
1 RU
Interface Ports
10GE
Port/Expansion Slot Details
N/A
Flash Memory
64 MB
Switching Capacity
N/A
Switching Capacity with Stacking
N/A
Product Name
Cisco Nexus N3K-C31128PQ-10GE Switch
Height
1.75 inches
Width
17.5 inches
Depth
18 inches
Weight
15 lbs

N3K-C31128PQ-10GE Use Case

High-Density Spine-Leaf Fabric Deployment in Enterprise Data Centers

In large enterprise data centers building a scalable spine-leaf topology, the N3K-C31128PQ-10GE Nexus 31128PQ switch provides 96 SFP+ 10GbE leaf ports and 8 QSFP+ 40GbE spine uplinks in a 2RU form factor. By delivering up to 1.2Tbps of non-blocking throughput, low-latency forwarding, and automated NX-API orchestration, this deployment accelerates east-west traffic by 50% and cuts network expansion time by 30%, ensuring seamless growth and simplified operations.

High-Performance Computing and Big Data Cluster Networking

For HPC and big data analytics clusters demanding extreme throughput and predictable latency, the Cisco Nexus 31128PQ (N3K-C31128PQ-10GE) supplies 96 low-latency 10GbE ports to interconnect compute nodes and storage arrays, plus 8 40GbE QSFP+ ports for top-of-rack aggregation. Leveraging Cisco Dynamic Buffer Allocation and advanced telemetry, this solution boosts job throughput by 25%, reduces jitter in bursty workloads, and streamlines capacity planning with real-time performance insights.

Carrier-Grade Metro Edge Aggregation for Service Providers

At the metro edge, service providers use the N3K-C31128PQ-10GE Nexus 31128PQ to terminate up to 96 customer SFP+ 10GbE links and aggregate traffic over 8 QSFP+ 40GbE uplinks to the core. With integrated MPLS, QoS, EVPN-VXLAN segmentation, and hitless upgrade capabilities, this 2RU switch delivers 99.999% availability, reduces convergence times by 40%, and maximizes port density for profitable Ethernet services.

Quality Certifications

To get the detailed certification, please go to the Compliance Center.

ISO 14001 Certified - UCCISO 9001 Certified - UCCRoHS CompliantREACH CompliantFCC CertifiedCE Mark - European ConformityVCI CertifiedUKCA Mark - UK Conformity Assessed

Product Comparison Table

Nexus 31128PQ, 96 SFP+ ports, 8 QSFP+ ports, 2RU switchN3K-C31128PQ-10GENexus 3132Q 32 x QSFP+ and 4 SFP+ portsN3K-C3132Q-40GENexus 3172T 48 x 1/10GBase-T and 6 QSFP+ portsN3K-C3172TQ-10GTNexus 3408-S switch with 32 ports of QSFP-DDN3K-C3408-SNexus 3064-32T, 32 10GBase-T and 4 QSFP+ portsN3K-C3064TQ-32T
Depth18 inches18 inches17 inches15 inches18.0 inches
Ethernet Technology10GE40 Gigabit Ethernet10/100/100010/100/100010/100/1000
Flash Memory64 MB256 MB32 MB256 MB256 MB
Form FactorRack-mountRack-mountRack-mountRack-mountRack-mount
Height1.75 inches1.75 inches1.75 inches1.75 inches1.75 inches
IOSN/AN/AIP ServicesIP ServicesIP Services
Interface Ports10GE40GE10/100/100010/100/100010/100/1000
Layer SupportedLayer 2 / Layer 3Layer 2 / Layer 3Layer 2 / Layer 3Layer 2 / Layer 3Layer 2 / Layer 3
ManageableManagedManagedManagedManagedManaged
Manufacturer Part NumberN3K-C31128PQ-10GEN3K-C3132Q-40GEN3K-C3172TQ-10GTN3K-C3408-SN3K-C3064TQ-32T
Media Type SupportedFiberFiberFiberComboTwisted Pair
Memory256 MB512 MB256 MB256 MB512 MB
Number of Downlink PortsN/A40 Ports8 Ports48 Ports32 Ports
Number of Ethernet Ports24–48 Ports24–48 PortsUnder 12 Ports24–48 Ports24–48 Ports
POE SupportNon POENon POENon POENon POENon POE
Port/Expansion Slot DetailsN/A40-port fixed configuration with QSFP+ slotsFixed 10-Gigabit Ethernet portsN/A32 fixed 10/100/1000 ports, 4 dedicated 10G SFP+ uplink ports
Power Consumption150 WN/AN/A210 WN/A
Power SourceAC Power SupplyAC Power SupplyAC Power SupplyRedundant Power SupplyRedundant Power Supply / AC Power Supply
Product NameCisco Nexus N3K-C31128PQ-10GE SwitchCisco Nexus 3132Q-40GE SwitchCisco Nexus 3172TQ 10-Gigabit Ethernet SwitchCisco Nexus 3408-S SwitchCisco Nexus 3064TQ-32T Fixed Switch
Product TypeSwitchSwitchSwitchSwitchSwitch
Rack Units1 RU1 RU1 RU1 RU1 RU
Redundant Power Supply SupportedNoNoYesYesYes
SFP Ports4 SFP PortsN/A4 SFP PortsCombo4 SFP Ports
Switching CapacityN/A3200 GbpsN/A480 Gbps640 Gbps
Switching Capacity with StackingN/A6400 GbpsN/AN/AN/A
Uplink Configuration10G40G10G10G10G
Weight15 lbs22 lbs12 lbs12 lbs20 lbs
Width17.5 inches17.5 inches19 inches17.5 inches17.5 inches

Reviews & Ratings

L
Leonard Price
4

This switch handles massive east-west traffic effortlessly. Port density and performance make it ideal for scalable data centers.

F
Fatima Zahra
5

Rock-solid reliability with predictable latency. It performs exceptionally well in our spine-leaf architecture.

C
Christopher Dale
4

High port density and consistent throughput make this switch a core part of our network design.

I
Ingrid Svensson
4

Configuration was straightforward and performance has been flawless. It's built for serious enterprise workloads.

M
Markus Vogel
5

This Nexus model delivers excellent stability and bandwidth. It easily supports our growing infrastructure needs.

Questions & Answers

What is the Cisco Nexus 31128PQ switch (SKU: N3K-C31128PQ-10GE)?

The Cisco Nexus 31128PQ is a 2RU data center switch offering 96 fixed 10Gb SFP+ ports and 8 fixed 40Gb QSFP+ ports for high-density server and uplink connectivity.

How much switching capacity does the Nexus 31128PQ deliver?

The Nexus 31128PQ provides up to 2.56 Tbps of non-blocking switching capacity and 1.92 Bpps of forwarding performance for latency-sensitive workloads.

Which Cisco NX-OS features are supported on the Nexus 31128PQ?

The Nexus 31128PQ runs Cisco NX-OS 7.x, delivering enterprise-grade features such as VXLAN, EVPN, MPLS, QoS, OSPF, BGP, and advanced telemetry for modern data centers.

What virtualization capabilities does the Nexus 31128PQ offer?

The Nexus 31128PQ supports Virtual Port Channel (vPC), Cisco FabricPath, VXLAN BGP EVPN, and Multi-Site Orchestration to simplify network virtualization and multi-tenant segmentation.