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A9K-8T/4-L
Cisco ASR 9000 Line Card A9K-8T/4-L 8-Port 10GE DX Low Queue...
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A9K-8T/4-L is an Ethernet module designed for high-performance routing and network connectivity in enterprise and data center environments. It features eight RJ-45 ports delivering up to 1Gbps per port and supports essential protocols such as TCP/IP, making it ideal for robust data transmission and network reliability.
Built for compatibility with Cisco ASR 9000 series routers, this modular card offers seamless installation and dependable performance under diverse operating conditions. It is engineered to support advanced features including auto-negotiation, jumbo frames, wake-on-LAN, and QoS, thereby expanding network capacity and optimizing overall network efficiency.
A9K-8T/4-L price is $24,445.00, a 46.9% saving from the Cisco list price of $46,000.00. A9K-8T/4-L is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for A9K-8T/4-L for additional pricing. Browse the full Router Asr 9000 Modules And Cards series or explore all Cisco products.
The A9K-8T/4-L-Cisco ASR 9000 Line Card A9K-8T/4-L 8-Port 10GE DX Low Queue Line Card, Requires XFPs is deployed in a multi-site data center fabric to aggregate eight 10Gbps links for east-west traffic. Its low-queue buffering and XFP-enabled 10GE ports eliminate microbursts, reduce jitter under peak loads, and ensure consistent performance for latency-sensitive applications—delivering 99.999% uptime and maximizing link utilization.
Service providers integrate the A9K-8T/4-L-Cisco ASR 9000 Line Card A9K-8T/4-L 8-Port 10GE DX Low Queue Line Card, Requires XFPs at their edge routers to handle high-volume peering sessions. Advanced buffer management and low-queue scheduling minimize packet loss during traffic surges, uphold stringent SLAs, and maintain sub-millisecond latency for VOIP and real-time services—enhancing customer experience and reducing transit costs.
Mobile operators deploy the A9K-8T/4-L-Cisco ASR 9000 Line Card A9K-8T/4-L 8-Port 10GE DX Low Queue Line Card, Requires XFPs to aggregate 5G fronthaul and backhaul traffic. Its eight 10GE DX XFP ports support hierarchical QoS and precise queue control, guaranteeing sub-millisecond latency for eMBB and URLLC services. The result is robust SLA compliance, simplified OAM workflows, and accelerated service turn-up.
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| A9K-8T/4-L |  A9K-8T-E |  A9K-8T/4-E |  A9K-8T-B |  A9K-16T/8-B | |
|---|---|---|---|---|---|
| Product Type | Network Module | Network Module / Network Card | Network Module | Network Module / Network Card | Network Module / Network Card |
| Module Type | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Data Rate | 1Gbps | 10Gbps | 1G | 1G | 10Gbps |
| Connector Type | RJ-45 | SFP+ | RJ-45 | RJ-45 | SFP+ |
| Supported Protocols | TCP/IP | TCP/IP | TCP/IP | TCP/IP | TCP/IP |
| Form Factor | Modular | Modular | PCIe | 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 |
| Compatibility | Cisco ASR 9000 Series Routers | Cisco | Cisco, Juniper, Arista, Dell, HP | Cisco ASR 9000 Series | Cisco ASR 9000 Series Routers |
| Max Speed | 1Gbps per port | 10Gbps | 1Gbps | 1Gbps | 10Gbps |
| 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, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation, Jumbo Frames, QoS |
| Interface Ports | 8 x RJ-45 | SFP+ | Ethernet | Ethernet | SFP+ |
| Product Name | A9K-8T/4-L Ethernet Module | Cisco A9K-8T-E Ethernet Module | A9K-8T/4-E | Cisco ASR 9000 A9K-8T-B Ethernet Module | A9K-16T/8-B |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Excellent 10GE line card with low latency and stable throughput.
Handled high traffic volumes without congestion.
Cisco ASR line card performed reliably in production.
Predictable performance and easy integration.
Enterprise grade hardware delivering consistent results.
The Cisco ASR 9000 Line Card A9K-8T/4-L is an 8-port 10GE DX low-queue line card designed for the ASR 9000 Series, offering high performance and scalability for edge and core networks.
The A9K-8T/4-L supports eight 10 Gigabit Ethernet ports, enabling high-density 10GE connectivity in a single module.
Yes, the A9K-8T/4-L requires Cisco XFP transceivers for each 10GE port to operate, enabling flexible optical reach and media options.
Each A9K-8T/4-L line card delivers up to 160 Gbps of forwarding capacity (full-duplex), ensuring low latency and consistent performance.
The A9K-8T/4-L is compatible with Cisco ASR 9001, ASR 9006, and ASR 9010 chassis running supported IOS XR releases.
The A9K-8T/4-L is supported on Cisco IOS XR versions 5.3.0 and later, delivering feature parity and enhanced stability.
The A9K-8T/4-L consumes approximately 60W of power and leverages front-to-back airflow; ensure proper chassis power supplies and cooling modules are installed.
Yes, you can mix A9K-8T/4-L with other ASR 9000 line cards in the same chassis, provided all cards are supported on the same IOS XR release.
Low-Queue technology optimizes buffer usage per port to minimize latency and jitter, ideal for real-time services and video distribution.
Slide the A9K-8T/4-L into an available slot until it clicks, secure the module with the retention screws, then power-cycle or hot-swap per your operations plan.
Cisco XFP modules such as the XFP-10G-SR, XFP-10G-LR, and XFP-10G-ER are fully compatible, supporting multi-mode and single-mode deployments.
Yes, the A9K-8T/4-L supports comprehensive QoS with traffic shaping, policing, and DiffServ to ensure service-level agreement compliance.
The A9K-8T/4-L delivers sub-100 microsecond port-to-port latency under full load, optimizing performance for delay-sensitive applications.
The A9K-8T/4-L operates between 0°C to 40°C (32°F to 104°F) and meets NEBS Level 3 and ETSI compliance for carrier-grade deployments.
Use the IOS XR command show platform hardware card brief to confirm card presence, status, and operational health.
You can purchase the A9K-8T/4-L through Cisco’s authorized resellers or the Cisco Partner Locator on the official Cisco website.
The A9K-8T/4-L is covered by Cisco’s limited lifetime warranty, including next-business-day hardware replacement options where available.
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