United States$5,000,000+
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Jonathan Price
5
4GB RP memory kept control plane operations stable.
M-ASR1K-RP1-4GB
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Cisco ASR 1000 RP Memory M-ASR1K-RP1-4GB
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Name:
M-ASR1K-RP1-4GB
- Description:
- Cisco ASR 1000 RP Memory M-ASR1K-RP1-4GB
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 818250665968
- Condition:
- Warranty:
- 3
- List Price:
$8,000.00
- Price:
$4,250.0046.9% off
Quantity:
1
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M-ASR1K-RP1-4GB Overview
M-ASR1K-RP1-4GB is a DDR4 RDIMM designed specifically for server applications with a 4 GB capacity and a 2400 MHz speed, featuring a CAS latency of CL17 and operating at a low voltage of 1.2V. This single channel module is built with ECC support and comes as a registered (buffered) part, ensuring reliability and stability for data-intensive, enterprise-level workloads.
M-ASR1K-RP1-4GB is optimized for server environments, particularly in rack and tower server systems, with official support for Intel Xeon Scalable and AMD EPYC platforms. It is engineered without an integrated heatspreader or RGB lighting, making it a focused solution for performance-driven, professional server builds.
M-ASR1K-RP1-4GB price is $4,250.00, a 46.9% saving from the Cisco list price of $8,000.00. M-ASR1K-RP1-4GB is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for M-ASR1K-RP1-4GB for additional pricing. Browse the full Asr Router series or explore all Cisco products.
M-ASR1K-RP1-4GB Specifications
- Product Type
- Computer Memory
- Memory Type
- DDR4
- Capacity
- 4 GB
- Compatible Platforms
- Server
- Compatible Systems
- Rack Server / Tower Server
- Form Factor
- RDIMM
- Kit Configuration
- Single Channel
- Speed
- 2400 MHz
- Operating Temperature
- N/A
- Reliability Rating
- Standard
- CAS Latency (CL)
- CL17
- Voltage
- 1.2V
- ECC Support
- Yes
- Registered/Buffered
- Registered
- XMP Support
- No
- RGB Lighting
- No
- Heatsink / Heatspreader
- No
- Intel Platform Support
- Intel Xeon Scalable
- AMD Platform Support
- AMD EPYC
- Use Case
- Server
- Product Name
- M-ASR1K-RP1-4GB
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
M-ASR1K-RP1-4GB Use Case
High-Performance Service Provider Edge Scaling with M-ASR1K-RP1-4GB
Scenario: A Tier 1 ISP faces exponential growth in BGP routes at the network edge. By upgrading to Cisco ASR 1000 RP Memory M-ASR1K-RP1-4GB, the router control plane accommodates 4 GB of additional dynamic routing and policy state. Outcome: The ISP achieves 40% faster route convergence, supports 25% more VPNs per node, and maintains sub-50 ms failover SLAs, maximizing uptime and customer QoS.
Enterprise WAN VPN Optimization Using M-ASR1K-RP1-4GB
Scenario: A global enterprise runs hundreds of IPsec VPN tunnels and advanced QoS policies over its WAN fabric. Installing Cisco ASR 1000 RP Memory M-ASR1K-RP1-4GB expands the route processor’s memory footprint, enabling concurrent encryption contexts and dynamic MPLS TE paths. Outcome: Tunnel provisioning time drops by 35%, CPU load stabilizes under 20% during peak, and overall security throughput increases by 30%, ensuring seamless branch connectivity.
Cloud Multi-Tenancy Isolation on ASR 1000 with M-ASR1K-RP1-4GB
Scenario: A cloud service provider hosts dozens of VRF-based customer networks on ASR 1000 series routers. Cisco ASR 1000 RP Memory M-ASR1K-RP1-4GB delivers the extra 4 GB buffer for per-tenant control-plane tables and ACLs. Outcome: The provider scales to 50% more VRFs without performance degradation, enforces precise security segmentation, and accelerates on-demand tenant provisioning by 45%, driving higher margins on multi-tenant services.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| M-ASR1K-RP1-4GB |  M-ASR1K-EUSB-2GB |  M-ASR1K-EUSB-1GB |  MEMUSB-1024FT |  M-ASR1002X-16GB | |
|---|---|---|---|---|---|
| Product Type | Computer Memory | Computer Memory | Computer Memory | Computer Memory | Computer Memory |
| Memory Type | DDR4 | DDR4 | DDR4 | DDR4 | DDR4 |
| Capacity | 4 GB | 2 GB | 1GB | 1TB | 16 GB |
| Compatible Platforms | Server | Laptop | Desktop / Laptop / Server | Desktop | Desktop |
| Compatible Systems | Rack Server / Tower Server | N/A | N/A | N/A | N/A |
| Form Factor | RDIMM | SODIMM | SODIMM | UDIMM | UDIMM |
| Kit Configuration | Single Channel | Single Channel | Single Channel | Single Channel | Single Channel |
| Speed | 2400 MHz | 2400 MHz | 3200 MHz | 3200 MHz | 3200 MHz |
| Operating Temperature | N/A | N/A | N/A | N/A | N/A |
| Reliability Rating | Standard | Standard | Standard | High Reliability | Standard |
| CAS Latency (CL) | CL17 | CL17 | CL16 | CL16 | CL16 |
| Voltage | 1.2V | 1.2V | 1.35V | 1.35V | 1.35V |
| ECC Support | Yes | No | No | No | No |
| Registered/Buffered | Registered | Unbuffered | Unbuffered | Unbuffered | Unbuffered |
| XMP Support | No | No | Intel XMP 2.0 | Intel XMP 2.0 | Intel XMP 2.0 |
| RGB Lighting | No | No | No | No | No |
| Heatsink / Heatspreader | No | No | Yes | Yes | Yes |
| Intel Platform Support | Intel Xeon Scalable | N/A | Intel 12th Gen | Intel 12th Gen | Intel 12th Gen |
| AMD Platform Support | AMD EPYC | N/A | AMD Ryzen 5000 | AMD Ryzen 5000 | AMD Ryzen 5000 |
| Use Case | Server | General Use | Server | Gaming | Gaming |
| Product Name | M-ASR1K-RP1-4GB | M-ASR1K-EUSB-2GB | M-ASR1K-EUSB-1GB | MEMUSB-1024FT | M-ASR1002X-16GB |
| Height | N/A | 0.13 inches | N/A | 1.18 inches | 1.18 inches |
| Width | N/A | 2.66 inches | N/A | 5.25 inches | 5.25 inches |
| Depth | N/A | 1.18 inches | N/A | 0.5 inches | 0.14 inches |
| Weight | N/A | 0.02 lbs | N/A | 0.25 lbs | 0.3 lbs |
Reviews & Ratings
T
Thomas Avery
4
Cisco certified memory ensured full compatibility.
E
Eric Hammond
5
Reliable RP memory for ASR 1000 series.
S
Scott Jennings
5
Good upgrade for maintaining steady performance.
M
Mark Ellison
4
Installed cleanly with no downtime.
Questions & Answers
What is Cisco ASR 1000 RP Memory M-ASR1K-RP1-4GB?
The Cisco ASR 1000 RP Memory M-ASR1K-RP1-4GB is a 4 GB DRAM upgrade module for the route processor in Cisco ASR 1000 Series Aggregation Services Routers.
How much memory does SKU M-ASR1K-RP1-4GB provide?
SKU M-ASR1K-RP1-4GB provides 4 gigabytes of DRAM dedicated to the RP1 route processor in Cisco ASR 1000 routers.
Which Cisco ASR 1000 models are compatible with M-ASR1K-RP1-4GB?
The M-ASR1K-RP1-4GB module is compatible with Cisco ASR 1000 routers using RP1 route processors, including ASR 1001, ASR 1002, ASR 1004 and ASR 1006 models.
What performance benefits does M-ASR1K-RP1-4GB deliver?
Upgrading to M-ASR1K-RP1-4GB enhances control-plane throughput, accelerates route processing and supports larger routing tables for high-availability networks.
How do I install Cisco ASR 1000 RP Memory M-ASR1K-RP1-4GB?
Power down the ASR 1000 router, open the RP1 slot cover, insert the M-ASR1K-RP1-4GB module until it clicks, close the cover and power up. Refer to the Cisco installation guide for detailed steps.
Can I mix M-ASR1K-RP1-4GB with other memory modules?
Cisco recommends using identical memory modules; mixing capacities or generations can lead to degraded performance or compatibility issues.
Does installing M-ASR1K-RP1-4GB require a software upgrade?
No software upgrade is required. The Cisco IOS XE automatically recognizes the additional DRAM after a system reboot.
What is the warranty for Cisco M-ASR1K-RP1-4GB?
Cisco provides a 90-day limited warranty on the M-ASR1K-RP1-4GB module, covering defects in materials and workmanship.
How can I purchase Cisco ASR 1000 RP Memory M-ASR1K-RP1-4GB?
You can order SKU M-ASR1K-RP1-4GB through authorized Cisco resellers or via the Cisco online store.
Does M-ASR1K-RP1-4GB support high-density services?
Yes. The additional 4 GB DRAM enables the ASR 1000 router to handle higher service densities and more complex feature sets.
Are there any known compatibility issues with M-ASR1K-RP1-4GB?
No known issues exist when M-ASR1K-RP1-4GB is used with supported Cisco ASR 1000 RP1 routers and Cisco IOS XE releases.
How do I verify the new memory is recognized after installation?
Run the CLI command show platform hardware chassis memory on the Cisco IOS XE to confirm recognition of the 4 GB DRAM module.
Can M-ASR1K-RP1-4GB improve VPN performance on Cisco ASR 1000?
Yes. The additional memory supports more VPN tunnels and boosts encryption throughput on Cisco ASR 1000 routers.
What is the difference between M-ASR1K-RP1-4GB and M-ASR1K-RP1-8GB?
M-ASR1K-RP1-4GB provides 4 GB of DRAM, while M-ASR1K-RP1-8GB offers 8 GB for greater scalability and performance.
Is technical support available for installing M-ASR1K-RP1-4GB?
Yes. Cisco’s Technical Assistance Center (TAC) provides support for installation, configuration and troubleshooting.
What is the return policy for SKU M-ASR1K-RP1-4GB?
Return policies vary by reseller, but Cisco generally allows returns within 30 days if the module is in original condition.