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C9800-2X40GE
Cisco Catalyst 9800-80 2 Ports 40 GE Module
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C9800-2X40GE is a high-performance Ethernet module designed to deliver reliable and ultra-fast connectivity in enterprise and data center networks. It features two 40Gbps Ethernet ports with SFP28 connectors, engineered for efficient data transmission and low latency. Designed to integrate seamlessly with Cisco routers, switches, and servers, this module supports industry-standard protocols such as TCP/IP to ensure versatile and robust network performance.
C9800-2X40GE offers a compact, modular form factor ideal for expanding data center capacity and upgrading network interfaces for high-bandwidth applications. Its easy installation and compatibility with Cisco network infrastructures make it a preferred choice for demanding environments that require scalable connectivity, efficient cooling, and minimal power consumption while supporting cutting-edge features like auto-negotiation, jumbo frames, and quality of service (QoS).
C9800-2X40GE price is $4,356.00, a 47.3% saving from the Cisco list price of $8,258.00. C9800-2X40GE is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for C9800-2X40GE for additional pricing. Browse the full Cisco Controller Modules series or explore all Cisco products.
In a global enterprise campus deploying 2,000+ Wi-Fi 6 access points for unified communications and 4K video conferencing, the C9800-2X40GE module in the Cisco Catalyst 9800-80 delivers dual 40 GbE uplinks for 80 Gbps of resilient aggregation. This high-speed backbone reduces wireless latency below 3 ms, maintains sub-0.5% packet loss at peak loads, and enforces consistent policies via Cisco DNA Center integration—resulting in seamless end-user experiences, simplified operations, and scalable network growth.
At an Industry 4.0 manufacturing facility with 5,000+ wireless sensors and AGVs streaming real-time telemetry, the Cisco Catalyst 9800-80 equipped with the C9800-2X40GE module consolidates IoT data over dual 40 GbE links to the core network. The solution guarantees deterministic latency under 1 ms for closed-loop control, leverages Cisco TrustSec for secure segmentation, and powers predictive maintenance analytics—reducing unplanned downtime by 30% and boosting operational throughput.
For a Tier-1 service provider rolling out multi-access edge computing (MEC) to support ultra-low-latency 5G services, the Cisco Catalyst 9800-80 with its 2 Ports 40 GE Module establishes redundant, high-capacity 40 GbE connections between regional data centers and edge sites. This architecture delivers sub-millisecond latency, 99.999% uptime, and dynamic network slicing via Cisco Network Services Orchestrator—enabling real-time AR/VR, IoT services, and stringent SLAs at the edge.
To get the detailed certification, please go to the Compliance Center.
 C9800-2X40GE |  C9800-10X10E |  C9800-1X40GE |  C9800-1X100GE |  C9800-18X1GE | |
|---|---|---|---|---|---|
| Product Type | Network Module | Network Module | Network Module / Network Card | Network Module | Network Module |
| Module Type | Ethernet | Ethernet | Ethernet Module | Ethernet | Ethernet |
| Data Rate | 40Gbps | 10Gbps | 40G | 100G | 1Gbps |
| Connector Type | SFP28 | SFP+ | QSFP+ | QSFP28 | RJ-45 |
| Supported Protocols | TCP/IP | TCP/IP | TCP/IP | 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 50°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | N/A |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | N/A |
| Compatibility | Cisco | Cisco | Cisco | Cisco | Cisco |
| Max Speed | 40Gbps | 10Gbps | 40Gbps | 100Gbps | 1Gbps |
| 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 | N/A | N/A | 15W | N/A |
| Interface Ports | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Expansion Slots | N/A | N/A | N/A | N/A | N/A |
| Product Name | Cisco C9800-2X40GE | Cisco C9800-10X10E Ethernet Module | Cisco C9800-1X40GE | Cisco C9800-1X100GE | C9800-18X1GE |
| 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 |
The Cisco Catalyst 9800-80 2 Ports 40GE Module offers fantastic scalability. It delivers high-performance networking for large-scale operations, making our network more efficient.
We upgraded to the 2 Ports 40GE module, and it's been a great investment. It offers fast, reliable connectivity, handling heavy traffic without issue.
The 2 Ports 40GE module has improved our network's performance significantly. It's a reliable solution for handling high-demand, bandwidth-intensive applications.
The Catalyst 9800-80 2 Ports 40GE Module offers impressive speed and reliability. It's perfect for large-scale network environments with high data traffic.
This module has made a significant impact on our network. The 40GE ports deliver exceptional bandwidth and low latency, making it perfect for large-scale operations.
The Cisco Catalyst 9800-80 2 Ports 40 GE Module (C9800-2X40GE) is an expansion card that provides two fixed 40 Gigabit Ethernet QSFP+ ports for the Cisco Catalyst 9800-80 wireless controller chassis.
The C9800-2X40GE module is fully compatible with the Cisco Catalyst 9800-80 wireless controller chassis only.
It offers two 40 Gbps QSFP+ ports, up to 80 Gbps aggregate forwarding capacity (160 Gbps full-duplex), sub-2 µs latency, hot-swappable design, and Cisco IOS XE software support.
Power off the controller, slide the module into an available expansion bay until it seats, secure the captive screws, then power on and verify recognition via the CLI or GUI.