Product Type | Memory Upgrade Module |
Form Factor | DIMM |
Supported Device Model | Cisco 2951 Integrated Services Router |
Upgrade Type | Factory-Certified DRAM Upgrade |
Installed Size | 2 GB |
Previous Memory Capacity | 512 MB |
Technology | DRAM |
Module Quantity | 1 |
Weight | |
Power Requirements |
Cisco MEM-2951-512U2GB 2GB DRAM Upgrade Module


Key Benefits

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- Boosts Cisco 2951 router performance by quadrupling memory from 512MB to 2GB
- Perfect for supporting advanced features like VPN, voice, and security with higher memory demands
- TAA compliance and U.S. manufacturing ensure suitability for regulated enterprise and government environments
Product Overview
The Cisco MEM-2951-512U2GB is a factory-certified 2GB DRAM memory upgrade for Cisco 2951 Integrated Services Routers. Featuring a single DIMM form factor, this module expands memory from 512MB to 2GB, enabling better handling of advanced services such as VPN, voice processing, and security. Manufactured in the United States and compliant with TAA requirements, this upgrade supports enterprise-class performance without a complete hardware overhaul. Designed for organizations seeking to extend the lifecycle of Cisco 2951 routers while boosting performance cost-effectively.
Specifications
Product Overview
Wireless Features
Wi-Fi Standards | |
Number of Antennas | |
Operating Frequencies |
Compliance & Origin
Country of Origin | United States |
TAA Compliant | Yes |
RoHS Compliant | Yes |
Certifications | Factory-Certified by Cisco |
Advanced Security Features
Enhanced Security Capabilities Enabled | Yes (Supports better performance for VPN/Security services) |
Firewall Integration | Supported on Cisco 2951 with upgrade |
Intrusion Detection/Prevention Support | Supported on host device with upgrade |
Memory for Secure Services | Increased capacity supports encrypted traffic and policy enforcement |
Interfaces
Memory Interface | 240-pin DIMM |
Bus Speed | |
Interface Type | DDR2 or DDR3 (Model dependent - refer to router specs) |
Physical & Environmental
Dimensions (W x H x D) | |
Operating Temperature Range | |
Storage Temperature Range | |
Relative Humidity (Operating) | |
Relative Humidity (Storage) | |
MTBF |
Cloud Management & Licensing
Cloud Management | |
License Requirement | No licensing required for memory upgrade |
Subscription Included | No |