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A9K-8T-B
Cisco ASR 9000 Line Card A9K-8T-B 8-Port 10GE Line Card, Req...
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A9K-8T-B is an Ethernet module featuring eight integrated RJ-45 ports that deliver up to 1Gbps per port for robust network connectivity. Engineered for seamless compatibility with Cisco ASR 9000 Series routers and similar enterprise platforms, this modular card operates using TCP/IP protocols and is designed for straightforward installation in data centers and network infrastructures.
Perfect for expanding data center capacity and upgrading server network interfaces, the A9K-8T-B provides reliable, high-speed connections for mission-critical applications. Its streamlined plug-and-play design, coupled with support for essential network features such as auto-negotiation, wake-on-LAN, jumbo frames, and QoS, helps ensure efficient operation and simplified network management in demanding environments.
A9K-8T-B price is $69,089.00, a 46.9% saving from the Cisco list price of $130,000.00. A9K-8T-B is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for A9K-8T-B for additional pricing. Browse the full Router Asr 9000 Modules And Cards series or explore all Cisco products.
In a national tier-1 service provider network, the Cisco ASR 9000 A9K-8T-B 8-Port 10GE Line Card (requires XFPs) is deployed at the edge for high-density IP/MPLS edge routing. By aggregating thousands of subscriber sessions and supporting scalable QoS policies, the line card delivers up to 80 Gbps of sustained throughput per slot. Outcome: Service providers achieve predictable low-latency forwarding, seamless service activation, and 5× greater port density, driving subscriber satisfaction and operational cost savings.
A global financial trading firm uses the A9K-8T-B line card in redundant Cisco ASR 9000 chassis to interconnect multiple data centers over dark-fiber links. Leveraging 10 Gigabit XFP optics and hardware-offloaded encryption, the solution ensures sub-millisecond latency and secure data replication. Outcome: Traders gain real-time market data synchronization, risk is minimized, and the firm meets stringent SLAs while optimizing rack space and power consumption.
A leading mobile operator integrates the A9K-8T-B 8-Port 10GE Line Card into its ASR 9000 aggregation rings to backhaul 5G fronthaul traffic from cell sites. Utilizing XFP modules for flexible optical reach and support for EVPN-VXLAN, the deployment streamlines slice-aware QoS and multicast video distribution. Outcome: The operator scales network capacity by 10×, ensures carrier-grade resiliency, and accelerates 5G service rollout with minimal footprint and predictable OPEX.
To get the detailed certification, please go to the Compliance Center.
| A9K-8T-B |  A9K-4T-E |  A9K-8T/4-L |  A9K-8T-E |  A9K-8T/4-E | |
|---|---|---|---|---|---|
| Product Type | Network Module / Network Card | Network Card | Network Module | Network Module / Network Card | Network Module |
| Module Type | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Data Rate | 1G | 10G | 1Gbps | 10Gbps | 1G |
| Connector Type | RJ-45 | SFP+ | RJ-45 | SFP+ | RJ-45 |
| Supported Protocols | TCP/IP | TCP/IP | TCP/IP | TCP/IP | TCP/IP |
| Form Factor | Modular | PCIe | Modular | Modular | PCIe |
| 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, Juniper, Arista, Dell, HP | Cisco ASR 9000 Series Routers | Cisco | Cisco, Juniper, Arista, Dell, HP |
| Max Speed | 1Gbps | 10Gbps | 1Gbps per port | 10Gbps | 1Gbps |
| Supported Features | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Auto-negotiation, Jumbo Frames, QoS |
| Power Consumption | N/A | 15W | 12W | 15W | 5W |
| Interface Ports | Ethernet | SFP+ | 8 x RJ-45 | SFP+ | Ethernet |
| Expansion Slots | N/A | N/A | N/A | N/A | N/A |
| Product Name | Cisco ASR 9000 A9K-8T-B Ethernet Module | A9K-4T-E 10GbE PCIe Network Card | A9K-8T/4-L Ethernet Module | Cisco A9K-8T-E Ethernet Module | A9K-8T/4-E |
| Height | N/A | 1.5 inches | N/A | N/A | N/A |
| Width | N/A | 3.4 inches | N/A | N/A | N/A |
| Depth | N/A | 7.0 inches | N/A | N/A | N/A |
| Weight | N/A | 0.8 lbs | N/A | N/A | N/A |
Excellent 10GE performance with consistent throughput. Installed cleanly and has been rock solid under peak traffic.
Reliable ASR line card with predictable latency. Performs exactly as expected in our core network.
Cisco engineering shows here. Stable ports and no errors since deployment.
Strong choice for high speed aggregation. Handles sustained traffic without issues.
Delivered consistent 10GE connectivity. Very satisfied with long term stability.
The Cisco ASR 9000 Line Card A9K-8T-B is an 8-port 10 Gigabit Ethernet module designed for the ASR 9000 Series routers, delivering high-density 10GE connectivity with XFP support.
The A9K-8T-B line card provides eight independent 10 Gigabit Ethernet ports, each requiring a compatible XFP transceiver.
The A9K-8T-B supports Cisco XFP optics such as the SFP-10G-SR, SFP-10G-LR, SFP-10G-ER, and other Cisco-qualified XFP modules.
Each port on the A9K-8T-B supports up to 10 Gbps, delivering an aggregate line-rate throughput of 80 Gbps.
The A9K-8T-B is compatible with ASR 9001, 9006, 9010 and 9020 chassis running Cisco IOS XR software.
Yes. The A9K-8T-B supports hot-swap capability, enabling installation or removal without shutting down the router.
Align the A9K-8T-B in an open slot, slide until it clicks, secure with the captive screws, and verify via the IOS XR CLI show platform interface command.
Under full load, the A9K-8T-B consumes approximately 85 Watts, depending on the XFP optics used.
Operating temperature: 0 °C to 45 °C. Relative humidity: 5 % to 85 % non-condensing. Ensure proper chassis airflow.
Yes. When paired with Cisco IOS XR, the A9K-8T-B supports BGP, OSPF, IS-IS, MPLS, and Segment Routing.
By offering 80 Gbps of aggregated 10GE capacity, low latency forwarding and deep packet buffering for high-throughput, carrier-grade applications.
You can buy the A9K-8T-B through Cisco’s authorized channel partners or directly via the Cisco Commerce Workspace.
Cisco provides a limited lifetime warranty on the A9K-8T-B, covering hardware defects for the original purchaser.
Use show interface transceiver diagnostics to verify XFP health, inspect fiber cleanliness, check cable continuity and confirm port status with show interface brief.
Yes. The ASR 9000 chassis supports mixed deployment of A9K-8T-B with other compatible line cards, subject to slot and power constraints.
Dimensions: 232 mm W x 242 mm D x 23 mm H (9.1″ x 9.5″ x 0.9″); Weight: approximately 0.8 kg (1.8 lb).
No additional line-card licenses are required; routing feature licenses (e.g., IP Base, Advantage) apply on the ASR 9000 platform.