Product Type | RAM Module |
Product Name | MEM-2900-512U2.5GB 2GB DRAM Memory Module |
Product Model | MEM-2900-512U2.5GB |
Manufacturer | Cisco Systems, Inc |
Brand Name | Cisco |
Form Factor | DIMM |
Device Supported | Router |
Compatibility | Cisco 2900 Series Routers |
Manufacturer Part Number | MEM-2900-512U2.5GB |
Manufacturer Website Address | http://www.cisco.com |
Limited Warranty | 90 Days |
Cisco MEM-2900-512U2.5GB DRAM Upgrade for 2900 Series Routers



Key Benefits

AI-Powered Summaries from Online Customer Reviews
Eye-Insights™ are generated by proprietary AI that analyzes real online customer reviews to highlight top pros and key product features. While we aim for accuracy, insights are provided “as-is” and individual results may vary.
- Optimized specifically for Cisco 2900 Series, ensuring full hardware compatibility and minimal integration effort
- TAA compliance and U.S. manufacturing support secure procurement processes for government and enterprise buyers
- Cost-effective way to increase router performance without full device replacement
Product Overview
The Cisco MEM-2900-512U2.5GB memory module expands DRAM capacity in Cisco 2901–2921 routers from 512MB to 2.5GB. Using DRAM technology, it delivers low-latency, reliable memory performance tailored for routing applications. TAA-compliant and manufactured in the U.S., it's ideal for organizations requiring compliance and seamless integration with Cisco 2900 Series Routers. This upgrade enhances router efficiency, supports high session loads, and improves performance for critical services like VPNs, voice, and video.
Specifications
Product Overview
Interfaces
Interface Type | DDR2 |
Compliance & Origin
Country of Origin | United States |
TAA Compliance | Yes |
RoHS Compliance | Yes |
REACH Compliance | Yes |
Certification Standards | UL, CE, FCC Part 15B |
Environmental Compliance | WEEE |
Memory Specifications
Memory Size | 2 GB |
Memory Technology | DRAM |
Memory Type | DDR2 SDRAM |
Memory Speed | 800 MHz |
ECC Support | Yes |
Buffered/Unbuffered | Unbuffered |
Upgrade Type | System Specific Upgrade |
Latency | CL6 |
Number of Modules | 1 x 2 GB |
Pin Count | 240-pin |
Signal Processing | Unregistered |
Physical & Environmental
Dimensions | 5.25 in x 1.18 in |
Weight | 0.05 lbs |
Operating Temperature Range | 0°C to 70°C |
Storage Temperature Range | -55°C to 125°C |
Humidity (Non-Operating) | 5% to 95% (non-condensing) |
Power Consumption | 1.8V |