United States$5,000,000+
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Kevin Marshall
5
Excellent 10GE performance with low latency. Handles sustained traffic reliably.
A9K-4T-E
Cisco ASR 9000 Line Card A9K-4T-E 4-Port 10GE Extended Line...
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Name:
A9K-4T-E
- Description:
- Cisco ASR 9000 Line Card A9K-4T-E 4-Port 10GE Extended Line Card, Requires XFPs
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 882658275272
- Condition:
- Warranty:
- 3
- List Price:
$82,500.00
- Price:
$43,845.0046.9% off
Quantity:
1
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A9K-4T-E Overview
A9K-4T-E is an Ethernet network card designed for high-performance data transfer, delivering data rates of up to 10Gbps via SFP+ connectors. This module is engineered to integrate seamlessly with enterprise-grade routers, switches, and servers and supports TCP/IP protocols for reliable network communication.
Utilizing a PCIe form factor for easy installation in modern data centers and server environments, A9K-4T-E is ideal for upgrading network interfaces and expanding high-speed network capacities. It comes equipped with advanced features including auto-negotiation, Wake-on-LAN, jumbo frames, and QoS to ensure optimal performance in demanding applications.
A9K-4T-E price is $43,845.00, a 46.9% saving from the Cisco list price of $82,500.00. A9K-4T-E is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for A9K-4T-E for additional pricing. Browse the full Router Asr 9000 Modules And Cards series or explore all Cisco products.
A9K-4T-E Specifications
- Product Type
- Network Card
- Module Type
- Ethernet
- Data Rate
- 10G
- Connector Type
- SFP+
- Supported Protocols
- TCP/IP
- Form Factor
- PCIe
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco, Juniper, Arista, Dell, HP
- Max Speed
- 10Gbps
- Supported Features
- Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS
- Power Consumption
- 15W
- Interface Ports
- SFP+
- Expansion Slots
- N/A
- Product Name
- A9K-4T-E 10GbE PCIe Network Card
- Height
- 1.5 inches
- Width
- 3.4 inches
- Depth
- 7.0 inches
- Weight
- 0.8 lbs
A9K-4T-E Use Case
Metro Aggregation for 5G Backhaul with Cisco ASR 9000 A9K-4T-E 4-Port 10GE Extended Line Card
Scenario: Tier-1 telecom operator aggregates four 10GE 5G backhaul links at the metro edge using the Cisco ASR 9000 A9K-4T-E line card with XFP modules. Benefit: Delivers 40 Gbps of scalable bandwidth, sub-millisecond latency, and a simplified footprint to meet stringent SLAs and enable seamless 5G capacity expansion.
Data Center East-West Acceleration Using Cisco ASR 9000 A9K-4T-E 4-Port 10GE Extended Line Card
Scenario: Hyperscale cloud provider deploys Cisco ASR 9000 A9K-4T-E line cards with XFPs to power high-density east-west traffic between spine and leaf switches. Benefit: Ensures consistent 10GE connectivity, reduces latency for VM migrations and microservices communication, and scales to multi-petabit fabrics without overprovisioning.
Enterprise Campus Multi-Service Edge with Cisco ASR 9000 A9K-4T-E 4-Port 10GE Extended Line Card
Scenario: Large enterprise implements Cisco ASR 9000 A9K-4T-E line cards equipped with XFPs at the campus edge to converge voice, video, and data services. Benefit: Provides predictable QoS, granular security segmentation, and future-proof capacity for IoT growth and cloud-based applications.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| A9K-4T-E |  A9K-8T/4-L |  A9K-2T20GE-E |  A9K-40GE-L |  A9K-40GE-E | |
|---|---|---|---|---|---|
| Product Type | Network Card | Network Module | Network Module / Network Card | Network Module / Network Card | Network Module |
| Module Type | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Data Rate | 10G | 1Gbps | 20Gbps | 40Gbps | 40Gbps |
| Connector Type | SFP+ | RJ-45 | SFP+ | QSFP+ | QSFP+ |
| Supported Protocols | TCP/IP | TCP/IP | TCP/IP, MPLS | TCP/IP / Ethernet | TCP/IP, MPLS |
| Form Factor | PCIe | 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 | -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, Juniper, Arista, Dell, HP | Cisco ASR 9000 Series Routers | Cisco ASR9000 Series Routers | Cisco | Cisco (ASR 9000 Series) |
| Max Speed | 10Gbps | 1Gbps per port | 20Gbps | 40Gbps | 40Gbps |
| Supported Features | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation / Jumbo Frames / QoS | Auto-negotiation, Hot-swap, Jumbo Frames, QoS |
| Power Consumption | 15W | 12W | 25W | N/A | N/A |
| Interface Ports | SFP+ | 8 x RJ-45 | Ethernet | Ethernet | QSFP+ |
| Expansion Slots | N/A | N/A | N/A | N/A | N/A |
| Product Name | A9K-4T-E 10GbE PCIe Network Card | A9K-8T/4-L Ethernet Module | Cisco A9K-2T20GE-E | A9K-40GE-L | Cisco A9K-40GE-E |
| Height | 1.5 inches | N/A | N/A | N/A | N/A |
| Width | 3.4 inches | N/A | N/A | N/A | N/A |
| Depth | 7.0 inches | N/A | N/A | N/A | N/A |
| Weight | 0.8 lbs | N/A | N/A | N/A | N/A |
Reviews & Ratings
R
Ryan Whitfield
4
Extended line card delivered consistent throughput across all ports.
S
Scott Bennett
4
Cisco engineering shows in stability and predictable performance.
O
Oliver Grant
5
Solid choice for core and aggregation layers needing 10GE.
D
Derek Lawson
5
Installed cleanly and has run without errors.
Questions & Answers
What is the Cisco A9K-4T-E line card and what are its key features?
The Cisco A9K-4T-E is a 4-port 10 Gigabit Ethernet extended line card for the ASR 9000 Series. It supports up to 40 Gbps of forwarding capacity, advanced QoS, and requires external XFP optics for full functionality.
Which XFP modules are compatible with the A9K-4T-E line card?
The A9K-4T-E supports Cisco-approved 10G XFP optics including SFP-10G-SR, SFP-10G-LR, SFP-10G-ER, and other XFP transceivers listed in the ASR 9000 hardware installation guide.
What Cisco IOS XR software versions are supported on the A9K-4T-E?
The A9K-4T-E is supported on Cisco IOS XR 4.3.1 and later releases, including all 5.x, 6.x, 7.x, and 8.x train software images that list the card in their feature support matrices.
How do I install the A9K-4T-E line card in my ASR 9000 chassis?
To install, power down the chassis, slide the A9K-4T-E into an available line-card slot, secure the card with captive screws, connect XFP modules and fiber, then power up and verify via CLI show commands.
What performance can I expect from the A9K-4T-E?
The A9K-4T-E delivers up to 40 Gbps aggregate line-rate throughput with hardware-based forwarding, wire-speed QoS, and full support for MPLS and IPv4/IPv6 packet processing.
Does the A9K-4T-E support advanced QoS and traffic policing?
Yes. The A9K-4T-E provides hardware-accelerated QoS features including hierarchical queuing, traffic policing, shaping, and congestion avoidance for service-provider environments.
What are the power and thermal characteristics of the A9K-4T-E?
The A9K-4T-E consumes approximately 75 W under typical load and meets the ASR 9000 Series power envelope. It is front-to-back cooled and conforms to NEBS Level 3 thermal specifications.
Can I mix the A9K-4T-E with other ASR 9000 line cards?
Yes. The A9K-4T-E is fully interoperable with other ASR 9000 line cards in any combination, provided chassis power, cooling, and IOS XR release compatibility requirements are met.
What routing and protocol features does the A9K-4T-E support?
The A9K-4T-E supports full IPv4/IPv6 forwarding, MPLS L2/L3 VPNs, segment routing, BGP, OSPF, IS-IS, multicast routing, and advanced features such as L2TPv3 and RFC 2547 VPN.
Is the A9K-4T-E hot-swappable?
Yes. The A9K-4T-E supports hot-swap insertion and removal when chassis and IOS XR software release meet the hot-swap requirements in the ASR 9000 hardware installation guide.
What are the physical dimensions of the A9K-4T-E line card?
The A9K-4T-E occupies a single slot and measures 9.5 inches (H) × 1.5 inches (W) × 10.2 inches (D), compliant with ASR 9000 Series card bay specifications.
Which use cases are ideal for the A9K-4T-E?
Ideal use cases include edge and aggregation routing in service-provider networks, high-performance peering links, data-center interconnect, and QoS-sensitive business services.
What is the warranty for the Cisco A9K-4T-E?
The A9K-4T-E ships with Cisco’s limited lifetime warranty covering hardware replacement for defects and advance hardware replacement options based on your service contract.
How do I verify the A9K-4T-E is operating correctly after installation?
Use CLI commands such as show platform hardware slot <slot> throughput and show interfaces xge <interface> to confirm port status, optical link integrity, and throughput metrics.
Where can I purchase spare parts and support for the A9K-4T-E?
Spare XFP optics and replacement line cards can be ordered through Cisco’s global reseller network or Cisco Commerce Workspace. Support contracts are available via Cisco Smart Net Total Care.