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High density GE card delivered excellent performance under load.
A9K-40GE-E
Cisco ASR 9000 Line Card A9K-40GE-E 40-Port GE Extended Line...
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A9K-40GE-E
Cisco ASR 9000 Line Card A9K-40GE-E 40-Port GE Extended Line...
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A9K-40GE-E is a high-performance Ethernet module designed to deliver 40Gbps data rates for advanced networking environments. Developed for high-capacity routers and switches, this module supports cutting‑edge protocols such as TCP/IP and MPLS, ensuring reliable, low‑latency connectivity for data center interconnects and carrier‑grade networks.
A9K-40GE-E features a modular form factor with QSFP+ connectors that facilitate easy installation into compatible Cisco platforms, particularly within the ASR 9000 series. Its design is optimized for use in expanding data center capacity, upgrading server network interfaces, and connecting to high‑speed networks without the need for additional conversion hardware.
A9K-40GE-E price is $43,845.00, a 46.9% saving from the Cisco list price of $82,500.00. A9K-40GE-E is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for A9K-40GE-E for additional pricing. Browse the full Router Asr 9000 Modules And Cards series or explore all Cisco products.
Telecom and cable operators deploy the Cisco ASR 9000 with the A9K-40GE-E 40-Port GE Extended Line Card (requires SFPs) at the metro edge to aggregate hundreds of 1 GbE customer circuits onto a resilient backbone. Leveraging 40×1 GbE ports, SFP-based optics and built-in MPLS, providers achieve pay-as-you-grow scalability, simplified optical reach planning and carrier-grade uptime. Outcome: Up to 80% reduction in port-churn CAPEX, sub-microsecond MPLS convergence and streamlined operations across multi-service networks.
Mobile network operators integrate the A9K-40GE-E line card into ASR 9000 platforms to terminate and aggregate 5G RAN streams over 40×1 GbE interfaces using SFPs. With native IEEE 1588v2 and SyncE support, the solution delivers low-latency transport, precise timing and SLA assurance for voice, data and IoT services. Outcome: Guaranteed sub-50 µs latency, zero-packet loss during failover and tangible OPEX savings through consolidated backhaul infrastructure.
Large enterprises leverage the Cisco ASR 9000 chassis with the A9K-40GE-E card to connect campus buildings, branch offices and data closets via 40×1 GbE SFP links. Integrated MPLS/VPN and advanced QoS enable secure multi-tenant segmentation, end-to-end traffic engineering and real-time voice/video prioritization. Outcome: Dramatic footprint reduction, simplified SFP inventory management and the ability to scale port density by 60% without forklift upgrades.
To get the detailed certification, please go to the Compliance Center.
 A9K-40GE-E |  A9K-8T-L |  A9K-2T20GE-E |  A9K-4T-E |  A9K-8T-E | |
|---|---|---|---|---|---|
| Product Type | Network Module | Network Module / Network Card | Network Module / Network Card | Network Card | Network Module / Network Card |
| Module Type | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Data Rate | 40Gbps | 10G | 20Gbps | 10G | 10Gbps |
| Connector Type | QSFP+ | SFP+ | SFP+ | SFP+ | SFP+ |
| Supported Protocols | TCP/IP, MPLS | TCP/IP | TCP/IP, MPLS | TCP/IP | TCP/IP |
| Form Factor | Modular | Modular | 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 | -40 to 85°C | -40 to 85°C | -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 (ASR 9000 Series) | Cisco | Cisco ASR9000 Series Routers | Cisco, Juniper, Arista, Dell, HP | Cisco |
| Max Speed | 40Gbps | 10Gbps | 20Gbps | 10Gbps | 10Gbps |
| Supported Features | Auto-negotiation, Hot-swap, Jumbo Frames, QoS | Auto-negotiation / Jumbo Frames / QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS |
| Power Consumption | N/A | 15W | 25W | 15W | 15W |
| Interface Ports | QSFP+ | Ethernet | Ethernet | SFP+ | SFP+ |
| Expansion Slots | N/A | N/A | N/A | N/A | N/A |
| Product Name | Cisco A9K-40GE-E | A9K-8T-L | Cisco A9K-2T20GE-E | A9K-4T-E 10GbE PCIe Network Card | Cisco A9K-8T-E Ethernet Module |
| Height | N/A | N/A | N/A | 1.5 inches | N/A |
| Width | N/A | N/A | N/A | 3.4 inches | N/A |
| Depth | N/A | N/A | N/A | 7.0 inches | N/A |
| Weight | N/A | N/A | N/A | 0.8 lbs | N/A |
High density GE card delivered excellent performance under load.
Stable operation with predictable throughput across ports.
Well suited for large scale aggregation deployments.
Cisco line card with solid build quality and performance.
Handles traffic efficiently with no stability issues.
The Cisco A9K-40GE-E is a 40-port Gigabit Ethernet Extended line card for the ASR 9000 Series, providing high-density 1GE connectivity and requiring SFP modules for optical or copper links.
The A9K-40GE-E supports 40 independent Gigabit Ethernet ports per card, enabling up to 40 simultaneous 1Gbps links.
The card is compatible with Cisco SFP-1000BASE-SX, SFP-1000BASE-LX, SFP-1000BASE-ZX and SFP-GE-T modules for multimode, single-mode or copper connections.
The A9K-40GE-E requires Cisco IOS XR Release 5.3.3 or later to enable full feature support, including advanced QoS, multicast and MPLS.