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WS-X6904-40G-2T
- Description:
- Cisco 6500 Module WS-X6904-40G-2T C6K 4 port 40 Gigabit Ethernet module with DFC4 (Trustsec) S
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WS-X6904-40G-2T
Cisco 6500 Module WS-X6904-40G-2T C6K 4 port 40 Gi...
$41,400.00
$10,027.00
45 in Global Warehouse
$10,027.00
76% off
TRUSTED, TRIED, PROVEN
WS-X6904-40G-2T Overview
WS-X6904-40G-2T is a high-performance Ethernet module engineered for modern network infrastructures, delivering an aggregate data rate of 40Gbps through its dual high-speed ports. Designed with QSFP+ connectors, this modular card supports industry standard protocols such as TCP/IP and Fibre Channel, making it compatible with leading routers, switches, and servers in enterprise and data center environments.
Optimized for scalable network expansion and upgrading server interfaces, the WS-X6904-40G-2T seamlessly integrates into existing Cisco platforms. Its plug-and-play installation in modular chassis combined with features like auto-negotiation, jumbo frames, and QoS make it ideal for high-bandwidth applications that demand reliable and efficient high-speed connectivity.
What is the price of WS-X6904-40G-2T?
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WS-X6904-40G-2T Specifications
| Product Type | Network Module |
| Module Type | Ethernet |
| Data Rate | 40G |
| Connector Type | QSFP+ |
| Supported Protocols | TCP/IP, Fibre Channel |
| Form Factor | Modular |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | 3.3V |
| Compatibility | Cisco |
| Max Speed | 40Gbps |
| Supported Features | Auto-negotiation, Jumbo Frames, QoS |
| Power Consumption | N/A |
| Interface Ports | QSFP+ |
| Expansion Slots | N/A |
| Product Name | WS-X6904-40G-2T |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
WS-X6904-40G-2T Use Case
High-Performance Data Center Core Switching with WS-X6904-40G-2T
In a large enterprise data center running hyperconverged infrastructure, the Cisco Catalyst 6500 WS-X6904-40G-2T C6K module delivers four 40 GbE uplinks with DFC4 hardware acceleration. By aggregating virtualized compute and storage fabrics over a low-latency backbone, IT teams achieve line-rate performance, sub-2 µs latency and non-blocking throughput. Outcome: 4× faster VM migration, 30% higher application I/O, simplified capacity planning and predictable growth at minimal OpEx.
Secure Campus Segmentation Using TrustSec-Enabled WS-X6904-40G-2T
A multinational university deploys the WS-X6904-40G-2T module with DFC4 TrustSec to enforce role-based access across wired and Wi-Fi campus buildings. Leveraging hardware-embedded security policies, the solution dynamically classifies traffic, isolates sensitive labs and automates guest onboarding. Outcome: Zero-touch policy enforcement, 80% reduction in VLAN sprawl and real-time compliance with PCI-DSS and GDPR mandates.
Metro Ethernet Aggregation for Service Providers with Cisco 6500 40GbE Module
A regional ISP outfits its aggregation ring with the WS-X6904-40G-2T C6K module to terminate customer circuits at 40 Gbps, backed by DFC4 QoS and TrustSec enforcement. This high-density 4-port solution simplifies fiber splicing points, accelerates service turn-up and protects premium business links. Outcome: 50% faster provisioning, 99.999% SLAs, and a scalable platform for future 100 GbE upgrades.
Quality Certifications
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Product Comparison Table
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|---|---|---|---|---|---|
| Compatibility | Cisco Catalyst 6500 Series | Cisco | Cisco, Juniper, Arista, Dell, HP | Cisco, Juniper, Arista, Dell, HP | Cisco / Juniper / Arista / Dell / HP |
| Connector Type | N/A | QSFP+ | SFP+ | RJ-45 | SFP+ |
| Data Rate | N/A | 40G | 10G | 1Gbps | 10Gbps |
| Depth | N/A | N/A | N/A | N/A | 0.5 inches |
| Expansion Slots | N/A | N/A | PCIe | N/A | N/A |
| Form Factor | Modular | Modular | PCIe | PCIe | PCIe |
| Height | N/A | N/A | N/A | N/A | 1.5 inches |
| Input Voltage | N/A | 3.3V | 3.3V | 3.3V | 3.3V |
| Interface Ports | N/A | QSFP+ | SFP+ | Ethernet | Ethernet |
| Max Speed | N/A | 40Gbps | 10Gbps | 1Gbps | 10Gbps |
| Module Type | FAN | Ethernet | SFP+ | Ethernet | Ethernet |
| Operating Temperature | N/A | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | N/A | N/A | 12W | N/A | 15W |
| Product Name | WS-C6503-E-FAN | WS-X6904-40G-2T | WS-F6700-DFC3BXL High-Performance SFP+ Network Module | WS-SVC-NAM-1-250S | WS-SVC-IDS2-BUN-K9 |
| Product Type | Fan Module | Network Module | Network Module / Network Card | Network Module | Network Module / Network Card |
| Storage Temperature | N/A | -40 to 85°C | N/A | -40 to 85°C | -40 to 85°C |
| Supported Features | Redundant Cooling, High Airflow | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS |
| Supported Protocols | N/A | TCP/IP, Fibre Channel | TCP/IP | TCP/IP, iSCSI | TCP/IP |
| Weight | N/A | N/A | N/A | N/A | 1.2 lbs |
| Width | N/A | N/A | N/A | N/A | 3.5 inches |
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Questions & Answers
Q
What is the Cisco WS-X6904-40G-2T module?
A
The Cisco WS-X6904-40G-2T is a Catalyst 6500 series line card offering four 40 Gigabit Ethernet ports and integrated DFC4 for high-performance switching and TrustSec security.
Q
Which Cisco platforms support the WS-X6904-40G-2T?
A
The WS-X6904-40G-2T is compatible with Catalyst 6500 and 6500-E series supervisors that support DFC4 line cards.
Q
How many ports does the WS-X6904-40G-2T provide?
A
The WS-X6904-40G-2T provides four 40 Gigabit Ethernet ports for high-density uplink and core deployments.
Q
What is the total switching capacity of WS-X6904-40G-2T?
A
The module delivers up to 320 Gbps of bidirectional throughput, enabling nonblocking high-speed forwarding.
Q
What is DFC4 in the WS-X6904-40G-2T?
A
DFC4 refers to the fourth-generation Distributed Forwarding Card, which offloads packet processing for wire-speed performance and advanced features.
Q
How does the WS-X6904-40G-2T support Cisco TrustSec?
A
With integrated TrustSec capabilities, the module enforces role-based access control and dynamic segmentation at line rate.
Q
What type of cables are required for 40G connectivity?
A
Each 40G port on the WS-X6904-40G-2T uses QSFP+ transceivers supporting SR, LR4, and DAC cables for short- or long-reach links.
Q
What is the typical power consumption of the module?
A
Under full load, the WS-X6904-40G-2T consumes approximately 180 Watts, with intelligent power management reducing idle power.
Q
What installation steps are needed for the WS-X6904-40G-2T?
A
Install the module into an available 6500-series slot, secure the captive screws, connect QSFP+ optics, and verify recognition via the supervisor CLI.
Q
Does the WS-X6904-40G-2T support virtualization features?
A
Yes, it supports Cisco Virtual Switching System (VSS) and Virtual PortChannel (vPC) for active-active redundancy and scale.
Q
What licensing is required for full functionality?
A
A valid Cisco Network Advantage or Cisco DNA Advantage license unlocks all advanced routing, security, and monitoring features on the module.
Q
How does the WS-X6904-40G-2T enhance network security?
A
It enforces hardware-based TrustSec policies, MACsec encryption, and deep packet inspection to protect data in transit.
Q
What are common use cases for the WS-X6904-40G-2T?
A
Ideal for data center spine-leaf architectures, high-performance core switching, and service provider aggregation.
Q
What warranty and support options are available?
A
Cisco offers a limited lifetime hardware warranty plus optional SMARTnet maintenance for 24×7 support and advanced hardware replacement.
Q
How can I verify the module’s operational status?
A
Use the supervisor’s show module and show interfaces commands to confirm port status, error counters, and DFC health.
Q
How do I troubleshoot link-up issues on 40G ports?
A
Check QSFP+ transceiver compatibility, verify correct cable type, inspect optical power levels, and review interface logs via CLI.
