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MEM-2900-512U1.5GB
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- UPG 512MB TO 1.5GB DRAM 1GB+512MB FOR CISCO 2901-2921
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MEM-2900-512U1.5GB
UPG 512MB TO 1.5GB DRAM 1GB+512MB FOR CISCO 2901-2...
$314.00
48 in Global Warehouse
$314.00
48% off
TRUSTED, TRIED, PROVEN
MEM-2900-512U1.5GB Overview
MEM-2900-512U1.5GB is a DDR3 UDIMM memory module operating at 1600 MHz with a CAS latency of CL11 and a standard voltage of 1.5V. Designed as a single channel kit, it is non-ECC and unbuffered, ensuring reliable compatibility with desktop systems while incorporating an integrated heatspreader for effective thermal management and no RGB lighting.
This module features a compact design optimized for efficient airflow and stable performance in various computing environments, including gaming, workstation, and general use builds. Its precise engineering and dimensions make it a dependable choice for users seeking balanced performance and durability in their desktop applications.
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MEM-2900-512U1.5GB Specifications
| Product Type | Computer Memory |
| Memory Type | DDR3 |
| Capacity | 1.5GB |
| Compatible Platforms | Desktop |
| Compatible Systems | N/A |
| Form Factor | UDIMM |
| Kit Configuration | Single Channel |
| Speed | 1600 MHz |
| Operating Temperature | 0°C to 85°C |
| Reliability Rating | Standard |
| CAS Latency (CL) | CL11 |
| Voltage | 1.5V |
| ECC Support | No |
| Registered/Buffered | Unbuffered |
| XMP Support | No |
| RGB Lighting | No |
| Heatsink / Heatspreader | Yes |
| Intel Platform Support | N/A |
| AMD Platform Support | N/A |
| Use Case | General Use |
| Product Name | MEM-2900-512U1.5GB |
| Height | 1.5 inches |
| Width | 5.3 inches |
| Depth | 0.5 inches |
| Weight | 0.45 lbs |
MEM-2900-512U1.5GB Use Case
High-Speed IPsec VPN Acceleration for Remote Branches
By installing the MEM-2900-512U1.5GB-UPG on Cisco 2901-2921 routers at distributed sites, IT teams expand DRAM to 1.5 GB, sustaining high-performance IPsec and SSL VPN tunnels under heavy concurrency. Organizations benefit from up to 50% faster encrypted throughput, reduced latency, and consistent remote access stability—boosting productivity and securing critical business data.
Scalable Unified Communications for Mid-Sized Enterprises
Equipping Cisco 2901 routers with the MEM-2900-512U1.5GB-UPG empowers UC Manager Express deployments to support larger call volumes, advanced voicemail and conferencing features. The memory upgrade delivers a 60% capacity increase in active endpoints, superior call quality under peak load, and simplified administration—enabling seamless collaboration and a future-proof communications platform.
Enhanced Firewall and Intrusion Prevention Capacity
Upgrading to 1.5 GB DRAM via MEM-2900-512U1.5GB-UPG on Cisco ISR 2901-2921 routers unlocks full Zone-Based Firewall, IPS and Application Visibility & Control capabilities without memory constraints. Security teams can deploy larger ACL sets, deeper packet inspections, and real-time threat feeds, resulting in robust perimeter defense, compliance readiness, and up to 40% improved threat-handling throughput.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| AMD Platform Support | AMD Ryzen 5000 | N/A | N/A | AMD Ryzen 5000 | AMD Ryzen 5000 |
| Capacity | 512 MB | 1.5GB | 512 GB | 512 GB | 512 GB |
| CAS Latency (CL) | CL16 | CL11 | CL16 | CL16 | CL16 |
| Compatible Platforms | Desktop / Server | Desktop | Desktop / Server | Desktop / Laptop / Server | Desktop / Laptop / Server |
| Compatible Systems | Tower Server / Workstation | N/A | N/A | Workstation | Rack Server / Tower Server / Blade Server / Workstation / N/A |
| Depth | 0.5 inches | 0.5 inches | N/A | 0.5 inches | 0.36 inches |
| ECC Support | No | No | No | No | No |
| Form Factor | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Heatsink / Heatspreader | Yes | Yes | Yes | Yes | Yes |
| Height | 1.2 inches | 1.5 inches | N/A | 1.4 inches | 1.18 inches |
| Intel Platform Support | Intel 13th Gen | N/A | N/A | Intel 13th Gen | Intel 13th Gen |
| Kit Configuration | Single Channel | Single Channel | Single Channel | Single Channel | Single Channel |
| Memory Type | DDR4 | DDR3 | DDR4 | DDR4 | DDR4 |
| Operating Temperature | N/A | 0°C to 85°C | N/A | N/A | N/A |
| Product Name | MEM-2900-512MB= | MEM-2900-512U1.5GB | MEM-2900-512U1GB | MEM-2951-512U1.5GB Memory Module | MEM-2951-512U1GB |
| Product Type | Computer Memory | Computer Memory | Computer Memory | Computer Memory | Computer Memory |
| Registered/Buffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered |
| Reliability Rating | Standard | Standard | Standard | Standard | Standard |
| RGB Lighting | No | No | No | No | No |
| Speed | 2933 MHz | 1600 MHz | 2900 MHz | 3200 MHz | 3200 MHz |
| Use Case | Workstation | General Use | Workstation | Gaming / Workstation / Server | Server |
| Voltage | 1.2V | 1.5V | 1.35V | 1.35V | 1.35V |
| Weight | 0.2 lbs | 0.45 lbs | N/A | 0.3 lbs | 0.3 lbs |
| Width | 5.3 inches | 5.3 inches | N/A | 5.3 inches | 5.25 inches |
| XMP Support | Intel XMP 2.0 | No | No | Intel XMP 2.0 | No |
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Questions & Answers
Q
What is the MEM-2900-512U1.5GB upgrade kit?
A
The MEM-2900-512U1.5GB upgrade kit enhances Cisco 2901 and 2921 routers by adding 1GB and 512MB DRAM modules to expand memory from 512MB to 1.5GB.
Q
Which Cisco models are compatible with MEM-2900-512U1.5GB?
A
The MEM-2900-512U1.5GB kit is fully compatible with Cisco ISR 2901 and 2921 router series running Cisco IOS.
Q
How does upgrading to 1.5GB DRAM improve router performance?
A
Increasing DRAM to 1.5GB enables higher throughput, supports advanced features, and prevents memory-related bottlenecks under heavy network loads.
Q
Is the MEM-2900-512U1.5GB installation process straightforward?
A
Yes. Installation requires removing the router cover, seating the new 1GB and 512MB modules in the DRAM slots, and rebooting for automatic memory recognition.
Q
Do I need a software update after installing this memory upgrade?
A
No software update is required; Cisco IOS automatically detects and utilizes the expanded DRAM on reboot.
Q
Are these DRAM modules genuine Cisco parts?
A
Yes. MEM-2900-512U1.5GB modules are manufactured to Cisco specifications and carry the same quality and reliability as OEM components.
Q
What warranty covers the MEM-2900-512U1.5GB kit?
A
This upgrade kit includes a one-year warranty covering defects in materials and workmanship, with optional extended warranty plans available.
Q
How do I verify that my router recognizes the new 1.5GB memory?
A
After reboot, enter the 'show memory summary' command in the Cisco IOS CLI to confirm total DRAM of 1536MB.
Q
Can I revert to the original 512MB configuration after upgrade?
A
Yes. Simply power down the router, remove the added modules, and reinstall the original 512MB DRAM module.
Q
Will upgrading to 1.5GB DRAM support advanced security features?
A
Yes. Additional DRAM ensures sufficient resources for IOS security features such as VPN acceleration, firewall, and IPS.
Q
What are the technical specifications of MEM-2900-512U1.5GB?
A
The kit includes one PC3-10600 DDR3 1GB module and one PC3-10600 DDR3 512MB module, both rated at 1333 MHz with CL9 latency.
Q
How long does shipping take for the MEM-2900-512U1.5GB upgrade kit?
A
We offer standard 3–5 business day shipping and expedited options to deliver the MEM-2900-512U1.5GB kit promptly.
Q
Does the memory upgrade affect my Cisco IOS licensing?
A
No. Increasing DRAM does not change your existing IOS license; you retain all current feature sets and entitlements.
Q
Are there any compatibility issues with specific IOS versions?
A
MEM-2900-512U1.5GB is compatible with all Cisco IOS versions supported on ISR 2901 and 2921 routers without known conflicts.
Q
What benefits can I expect after upgrading my Cisco 2901 to 1.5GB RAM?
A
Expect faster packet processing, support for larger routing tables, improved VPN performance, and enhanced reliability under peak loads.
Q
What is the return policy for the MEM-2900-512U1.5GB kit?
A
We offer a 30-day return window on unused, undamaged kits with full refund, minus shipping fees, upon receipt of the original packaging.