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WS-X6816-10G-2T
Cisco 6500 Module WS-X6816-10G-2T 16 Port 10G with DFC4
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WS-X6816-10G-2T is an advanced Ethernet module engineered to provide reliable 10Gbps connectivity through two integrated 10GBASE-T copper ports. Designed for high-performance networking, it supports prevailing protocols such as TCP/IP and is ideal for deployment in enterprise routers, switches, and data center environments.
The module features a modular form factor that simplifies installation and ensures compatibility with a range of Cisco platforms. Its RJ-45 connector design, robust performance, and support for essential networking features make the WS-X6816-10G-2T an excellent choice for expanding data center capacity and upgrading network interfaces in mission-critical applications.
WS-X6816-10G-2T price is $8,917.00, a 75.8% saving from the Cisco list price of $36,800.00. WS-X6816-10G-2T is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for WS-X6816-10G-2T for additional pricing. Browse the full Cisco 6500 Switch Modules series or explore all Cisco products.
A cloud service provider deploys the WS-X6816-10G-2T in its Catalyst 6500 chassis to aggregate 16 server rack uplinks at 10 Gbps each. Leveraging the DFC4’s wire-speed ASIC forwarding, the solution delivers sub-100 µs latency and 1:1 oversubscription, consolidating rack connectivity into a single module. The outcome is a 40% reduction in switch footprint, simplified cabling, and OPEX savings through centralized management and power efficiency.
A global trading firm integrates WS-X6816-10G-2T modules into its core Catalyst 6500 infrastructure to support ultra-low-latency order execution. The DFC4 offloads forwarding decisions to hardware, ensuring sub-microsecond packet transit and deterministic performance under peak load. Resulting benefits include guaranteed order-entry speeds, compliance with FINRA latency SLAs, and a measurable 25% reduction in trade execution time.
A multinational enterprise refreshes its campus backbone by installing WS-X6816-10G-2T line cards in Catalyst 6500 switches to deliver 16 flexible 10 GbE ports. The integrated DFC4 enables hardware-accelerated QoS, MPLS, and multicast services across all ports. This upgrade yields a four-fold increase in aggregate throughput, end-to-end service assurance for VoIP and video, and centralized policy enforcement for improved network uptime and security.
To get the detailed certification, please go to the Compliance Center.
 WS-X6816-10G-2T |  WS-F6700-DFC3BXL |  WS-X6066-SLB-S-K9 |  WS-SVC-NAM-1-250S |  WS-X6196-21AF | |
|---|---|---|---|---|---|
| Product Type | Network Module | Network Module / Network Card | Network Module | Network Module | Network Module / Network Card |
| Module Type | Ethernet | SFP+ | Ethernet Module | Ethernet | Ethernet |
| Data Rate | 10Gbps | 10G | 10Gbps | 1Gbps | 10G |
| Connector Type | RJ-45 | SFP+ | SFP+ | RJ-45 | SFP+ |
| Supported Protocols | TCP/IP | TCP/IP | TCP/IP | TCP/IP, iSCSI | TCP/IP / iSCSI |
| Form Factor | Modular | PCIe | Modular | PCIe | 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 | N/A | N/A | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | N/A | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Cisco | Cisco, Juniper, Arista, Dell, HP | Cisco Catalyst Series Routers and Switches | Cisco, Juniper, Arista, Dell, HP | Cisco |
| Max Speed | 10Gbps | 10Gbps | 10Gbps | 1Gbps | 10Gbps |
| Supported Features | Auto-negotiation / Jumbo Frames / QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Load Balancing, Auto-negotiation, Jumbo Frames | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation / Jumbo Frames / QoS |
| Power Consumption | N/A | 12W | N/A | N/A | 15W |
| Interface Ports | Ethernet | SFP+ | SFP+ | Ethernet | Ethernet |
| Expansion Slots | N/A | PCIe | N/A | N/A | N/A |
| Product Name | WS-X6816-10G-2T | WS-F6700-DFC3BXL High-Performance SFP+ Network Module | WS-X6066-SLB-S-K9 Load Balancing Module | WS-SVC-NAM-1-250S | WS-X6196-21AF |
| 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 WS-X6816-10G-2T provides impressive scalability. It supports 16 ports of 10GbE, making it perfect for our large-scale network demands.
This module has greatly increased our network's capacity. The WS-X6816-10G-2T offers excellent 10GbE performance, handling high traffic volumes effortlessly.
The WS-X6816-10G-2T offers fantastic performance. It provides 16 10GbE ports, delivering reliable, high-speed connectivity with no issues.
We've seen noticeable improvements in our network speed with the WS-X6816-10G-2T. It integrates seamlessly and supports high-demand environments.
The WS-X6816-10G-2T has been reliable for our growing network. It provides excellent speed and scalability, handling multiple 10GbE connections without any issues.
The Cisco WS-X6816-10G-2T is a 16-port 10 Gigabit Ethernet line card with DFC4 for Catalyst 6500 series switches, delivering high-density 10G connectivity and advanced forwarding capabilities.
The WS-X6816-10G-2T provides 16 fixed 10 Gigabit Ethernet ports, enabling scalable, high-throughput network environments.
DFC4 (Distributed Forwarding Card 4) accelerates packet forwarding in hardware, offering wire-speed Layer 2/3 performance and advanced QoS for the WS-X6816-10G-2T.
The WS-X6816-10G-2T is compatible with Cisco Catalyst 6500 and 6500E chassis featuring a Supervisor Engine 2, 32, or 720 for full functionality.
Yes, the WS-X6816-10G-2T supports hot-swapping, allowing installation or removal without powering down the Catalyst 6500 chassis.
With DFC4, the module delivers up to 160 Gbps aggregate throughput and sub-microsecond latency for latency-sensitive applications.
Yes, it supports hierarchical QoS, traffic policing, shaping, and advanced classification to prioritize critical data flows.
Align the module with an available line-card slot, slide it in until it seats, and tighten the captive screws; the switch will auto-recognize the module.
The module draws approximately 150 W and requires adequate chassis fan modules per Cisco’s thermal guidelines to maintain optimal operation.
Yes, the module supports full IPv6 forwarding and features, including multicast, QoS, and ACLs, for modern network deployments.
Use Cisco IOS commands under the interface range TenGigabitEthernet context to enable, assign VLANs, and apply QoS policies per port.
It provides high-density 10G connectivity, wire-speed forwarding, advanced QoS, and seamless integration into existing Catalyst 6500 networks.
Authorized Cisco partners and the Cisco online store offer genuine WS-X6816-10G-2T modules with full warranty and support.
Cisco provides a limited lifetime hardware warranty, 24/7 technical assistance, and optional SMARTnet contracts for expedited replacement.
It serves as a direct upgrade for legacy 6500 line cards, enabling migration to higher throughput and new feature sets without chassis replacement.
The official Cisco SKU for this module is WS-X6816-10G-2T, specifying 16 fixed 10G ports with DFC4 acceleration.