United States$5,000,000+
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H
Henry Wallace
5
10G-T module delivered reliable copper based 10G connectivity.
C3KX-NM-10GT=
Catalyst 3K-X 10G-T Network Module
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C3KX-NM-10GT=
- Description:
- Catalyst 3K-X 10G-T Network Module
- Rating:
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- Brand:
- Cisco
- Condition:
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C3KX-NM-10GT= Overview
C3KX-NM-10GT= is a 10-Gigabit Ethernet network module engineered for high-speed connectivity in Cisco routing and switching environments. It delivers 10Gbps data rates through an RJ-45 interface that supports 10GBASE-T standards, ensuring robust and reliable TCP/IP communications for demanding network applications.
Designed for upgrading server network interfaces and expanding data center capacity, this modular Ethernet card integrates seamlessly into Cisco-compatible infrastructures. Its proven performance and support for advanced features such as auto-negotiation, jumbo frames, and quality of service make it an ideal solution for high-performance network environments.
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C3KX-NM-10GT= Specifications
- Product Type
- Network Module / Network Card
- Module Type
- Ethernet
- Data Rate
- 10Gbps
- Connector Type
- RJ-45
- Supported Protocols
- TCP/IP
- Form Factor
- Modular
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco
- Max Speed
- 10Gbps
- Supported Features
- Auto-negotiation, Jumbo Frames, QoS
- Power Consumption
- N/A
- Interface Ports
- Ethernet
- Expansion Slots
- N/A
- Product Name
- C3KX-NM-10GT=
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
C3KX-NM-10GT= Use Case
High-Density Data Center Server Aggregation with C3KX-NM-10GT=
In a mid-size data center running virtualization and database clusters, IT deploys the Catalyst 3K-X 10G-T network module (C3KX-NM-10GT=) in Catalyst 3650/3850 switches to aggregate eight 10GbE copper links from rack servers. This deployment delivers 80 Gbps of non-blocking bandwidth, reduces oversubscription from 4:1 to 1:1, and ensures low-latency connectivity for high-performance workloads.
Enterprise Campus Uplink Upgrade for High-Bandwidth Services
A global enterprise campus supporting HD video conferencing, VoIP phones and Wi-Fi 6 access points upgrades its distribution layer with the Catalyst 3K-X 10G-T network module. Plugged into Catalyst 3000-X switches, C3KX-NM-10GT= provides eight 10G-T uplinks over existing copper infrastructure—boosting uplink capacity by 400%, simplifying cabling, and guaranteeing QoS for real-time applications.
Low-Latency Virtual Desktop Infrastructure (VDI) Deployment
A financial services firm deploying VMware Horizon VDI requires predictable, sub-millisecond network performance. By integrating the C3KX-NM-10GT= Catalyst 3K-X 10G-T network module into its Catalyst 3850 aggregation switches, the firm establishes eight dedicated 10GbE uplinks to server clusters. The result is a 60% reduction in latency and seamless user experience during market opening peaks.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 C3KX-NM-10GT= |  C3KX-SM-10G= |  C3KX-SM-10G |  C3KX-NM-1G= |  C3KX-NM-10G= | |
|---|---|---|---|---|---|
| Product Type | Network Module / Network Card | Network Module | Network Module / Network Card | Network Module | Network Module / Network Card |
| Module Type | Ethernet | SFP+ | SFP+ | Ethernet | SFP+ |
| Data Rate | 10Gbps | 10G | 10Gbps | 1Gbps | 10G |
| Connector Type | RJ-45 | SFP+ | SFP+ | SFP | SFP+ |
| Supported Protocols | TCP/IP | TCP/IP | TCP/IP, iSCSI | TCP/IP | TCP/IP |
| Form Factor | Modular | Modular | Modular | Modular | Modular |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | N/A | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Cisco | Cisco | Cisco, Juniper, Arista, Dell, HP | Cisco | Cisco |
| Max Speed | 10Gbps | 10Gbps | 10Gbps | 1Gbps | 10Gbps |
| Supported Features | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation / Jumbo Frames / QoS |
| Power Consumption | N/A | 3.5W | 6W | 3.5W | 5W |
| Interface Ports | Ethernet | SFP+ | SFP+ | SFP | SFP+ |
| Expansion Slots | N/A | N/A | N/A | N/A | N/A |
| Product Name | C3KX-NM-10GT= | Cisco C3KX-SM-10G= | C3KX-SM-10G | Cisco C3KX-NM-1G= | C3KX-NM-10G= |
| Height | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | N/A | N/A | N/A | N/A |
| Depth | N/A | N/A | N/A | N/A | N/A |
| Weight | N/A | N/A | N/A | N/A | N/A |
Reviews & Ratings
S
Scott Newman
4
Performed well with minimal configuration required.
J
Jason Coleman
5
Stable throughput and dependable operation.
P
Philip Turner
3
Cisco quality hardware for demanding networks.
A
Adam Fitzgerald
4
Excellent upgrade for 10G copper links.
Questions & Answers
What is the Catalyst 3K-X 10G-T Network Module (SKU: C3KX-NM-10GT=)?
The Catalyst 3K-X 10G-T Network Module is an expansion card for Cisco Catalyst 3560-X and 3750-X switches that adds four RJ-45 10GBase-T ports for 10 Gigabit Ethernet connectivity.
Which Cisco switches support the C3KX-NM-10GT= module?
This module is supported in Cisco Catalyst 3560-X and 3750-X series switches equipped with an available network module slot.
How many 10G ports does the Catalyst 3K-X 10G-T Network Module provide?
It provides four independent 10GBase-T ports, each delivering full-duplex 10 Gbps performance.
What type of cabling is required for the 10GBase-T ports?
The 10GBase-T ports use standard RJ-45 connectors and support Cat6a or Cat7 twisted-pair copper cabling up to 100 meters.