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A9K-RSP-4G
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ASR9K FABRIC CONTROLLER 4GB MEMORY
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Hand-picked by our procurement team for standout value. This unit is offered at our sharpest price on current stock, verified against live market rates.
Name:
A9K-RSP-4G
- Description:
- ASR9K FABRIC CONTROLLER 4GB MEMORY
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 4054317984313
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
- Warranty:
- 3
- List Price:
$32,000.00
- Price:
$17,005.0046.9% off
Quantity:
1
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A9K-RSP-4G Overview
A9K-RSP-4G is a high-performance, modular router designed to meet the demands of enterprise and carrier-grade networks. Built on a robust modular architecture, it supports a variety of power options including redundant AC supplies and is engineered with integrated WAN and LAN interface capabilities for flexible connectivity. The product offers advanced integrated services such as voice and video, enhanced VPN features, and high-availability redundancy, ensuring continuous performance in mission-critical deployments.
A9K-RSP-4G delivers exceptional throughput capacity and reliable performance across demanding network environments. Its scalable, modular design enables rapid expansion with additional interface and service modules, while comprehensive VPN and security features provide encrypted connectivity for remote offices and branch deployments. With high availability support and optimized routing protocols, this router is ideally suited for enterprise, service provider, and industrial use cases where performance and reliability are paramount.
A9K-RSP-4G price is $17,005.00, a 46.9% saving from the Cisco list price of $32,000.00. A9K-RSP-4G is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for A9K-RSP-4G for additional pricing. Browse the full Router Asr 9000 series or explore all Cisco products.
A9K-RSP-4G Specifications
- Product Type
- Enterprise Router
- Brand
- Cisco
- VPN Support
- IPSec / SSL VPN / GRE / DMVPN / FlexVPN
- Power Source
- AC Power Supply / Redundant
- Routing Protocols
- OSPF / BGP / IS-IS / Static Routing
- Architecture
- Modular
- WAN Configuration
- Dual WAN
- WAN Ports
- Modular WAN
- LAN Ports
- Modular LAN
- Ethernet Technology
- 10/100/1000
- Connectivity Type
- Wired
- Network Protocols
- IPv4, IPv6, MPLS
- Remote Management
- SSH, SNMP, Telnet
- Compliance Standards
- FCC, CE
- Wireless Support
- No
- Speed/Capacity
- Gigabit
- Firewall Features
- Yes
- Features
- VPN, IPv6 Compatible, Firewall, MPLS
- Use Case
- Enterprise
- Management
- Managed
- Form Factor
- Chassis
- Integrated Services
- Voice, Video
- High Availability Support
- Supported
- Throughput Capacity
- 4 Gbps
- QoS Features
- Supported
- Built-in Security Features
- Firewall, Intrusion Prevention, Malware Protection
- Expansion Slots
- SFP+
- Modular Slots Available
- 3+ Slots
- Stacking Capability
- Yes
- 5G Support
- No
- Memory
- 4 GB
- Flash Memory
- 512 MB
- Interface Ports
- RJ-45, SFP
- Power
- 350 W
- Device Type
- Router
- Product Name
- Cisco A9K-RSP-4G
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Product Comparison Table 
| A9K-RSP-4G |  SPA-8XOC3-POS |  A9K-2T20GE-L |  A9K-K9-04.00 |  A9K-SAM-2TB | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Modular | Modular | Modular | Modular | Modular |
| Compliance Standards | FCC, CE | FCC, CE, RoHS | FCC / CE | IEEE 802.3, FCC, CE | RoHS / CE / FCC |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Device Type | Router | Router | Router | Router | Router |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 20GE | 10/100/1000 | 10/100/1000 |
| Features | VPN, IPv6 Compatible, Firewall, MPLS | VPN / Firewall / IPv6 Compatible / Redundancy | VPN / High Availability / Redundancy | VPN / IPv6 Compatible / Firewall / MPLS / Syslog | VPN / Firewall / MPLS / QoS |
| Firewall Features | Yes | Yes | No | Yes | Yes |
| Flash Memory | 512 MB | 256 MB | 256 MB | 512 MB | 512 MB |
| Form Factor | Chassis | Rack-mount | Chassis | Chassis | Rack-mount |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Interface Ports | RJ-45, SFP | RJ-45 / SFP+ | SFP+ | SFP / RJ-45 | RJ-45 / SFP |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 4 GB | 4 GB | 1 GB | 4 GB | 4 GB |
| Power Source | AC Power Supply / Redundant | AC Power Supply / Redundant | Chassis Powered | Redundant AC Power Supply | Redundant AC Power Supply |
| Product Name | Cisco A9K-RSP-4G | SPA-8XOC3-POS | Cisco A9K-2T20GE-L 2-Port 20GE Line Card | A9K-K9-04.00 | A9K-SAM-2TB Service Aggregation Module |
| Product Type | Enterprise Router | Enterprise Router | Router Line Card | Enterprise Router | Service Aggregation Module |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Stacking Capability | Yes | Yes | No | Yes | No |
| Throughput Capacity | 4 Gbps | 1 Gbps | 40 Gbps | 8 Gbps | 10 Gbps |
| Use Case | Enterprise | Enterprise / Retail | Enterprise | Enterprise | Enterprise |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | Modular WAN | 2 WAN | 2 WAN | 2 WAN | 2 WAN |
| Wireless Support | No | No | No | No | No |
Compliance & Coverage
100% Genuine Product Guarantee
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.
Up to 3-Year Warranty Coverage
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.
Hassle-Free RMA & Returns
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.
Rigorously Tested & Quality Assured
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.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
K
Kevin Marshall
4
Reliable route processor with stable control plane performance.
R
Ryan Whitfield
5
No crashes or slowdowns since installation. Works flawlessly.
S
Scott Bennett
4
Cisco quality controller for ASR 9000 platforms.
O
Oliver Grant
5
Consistent system responsiveness and reliability.
D
Derek Lawson
4
Good upgrade for maintaining stable routing operations.
Questions & Answers
What is the Cisco ASR9K Fabric Controller with 4GB memory (SKU A9K-RSP-4G)?
The Cisco ASR9K Fabric Controller (SKU A9K-RSP-4G) is a route switch processor module with 4 GB DRAM, engineered to control fabric plane operations on ASR 9000 Series routers.
What are the key features of the A9K-RSP-4G Fabric Controller?
The A9K-RSP-4G offers 4 GB of DRAM, advanced route-switch processing, high-availability fabric management, and seamless integration with Cisco IOS XR for carrier-grade performance.
Which Cisco ASR 9000 Series routers are compatible with A9K-RSP-4G?
The A9K-RSP-4G is compatible with Cisco ASR 9000 Series chassis including ASR 9010, ASR 9904, ASR 9906, ASR 9912, and ASR 9922.
How do I install the A9K-RSP-4G on my ASR 9000 router?
Power down the router, insert the A9K-RSP-4G into the designated RSP slot, secure the retaining screws, then power up and verify via the IOS XR CLI using the 'show platform hardware processor' command.
Which Cisco IOS XR software versions support the A9K-RSP-4G?
The A9K-RSP-4G is supported on Cisco IOS XR 5.x and later releases; refer to the Cisco Software Compatibility Matrix for exact version and feature details.
What throughput improvements can I expect with the 4GB Fabric Controller?
Upgrading to the A9K-RSP-4G can deliver up to a 30 % increase in route processing throughput under full fabric load compared to earlier 2 GB controllers.
How does the 4GB memory enhance router performance?
The increased 4 GB DRAM enables larger routing tables, faster convergence, and better scalability for advanced services like EVPN and segment routing.
Can I upgrade from a lower-memory RSP to the A9K-RSP-4G?
Yes, you can perform a field upgrade by replacing the existing RSP with the A9K-RSP-4G, provided your chassis and IOS XR version meet the upgrade prerequisites.
What are the power requirements for the A9K-RSP-4G Fabric Controller?
The A9K-RSP-4G consumes up to 120 W and requires a Cisco ASR 9000 power shelf capable of delivering 250 W per slot.
What warranty and support options are available for A9K-RSP-4G?
Cisco offers a one-year limited hardware warranty for the A9K-RSP-4G, with optional Cisco SMARTnet service for 24/7 hardware replacement and software updates.
Where can I purchase the Cisco A9K-RSP-4G Fabric Controller?
The A9K-RSP-4G is available through authorized Cisco partners and distributors worldwide; contact your Cisco account representative or visit the Cisco Partner Locator online.
How do I monitor memory usage on the A9K-RSP-4G?
Use the IOS XR CLI command 'show memory statistics' to display real-time DRAM utilization and detailed allocation metrics for the A9K-RSP-4G.
What is the exact part number for the 4GB Fabric Controller?
The official Cisco ordering part number for the 4 GB fabric controller is A9K-RSP-4G.
How do I troubleshoot installation issues with A9K-RSP-4G?
Verify chassis compatibility, check for IOS XR version mismatches, ensure proper seating and power connections, and review 'show platform hardware slot' logs for error codes.
Does the ASR9K Fabric Controller support IPv6 routing features?
Yes, the A9K-RSP-4G supports full IPv6 routing, including BGP IPv6, IS-IS, OSPFv3, and IPv6 MPLS functionality under Cisco IOS XR.
What is the lifecycle policy for the A9K-RSP-4G module?
The A9K-RSP-4G follows Cisco’s fixed lifecycle policy with at least five years of mainstream support and two years of extended support after end-of-sale.