Cisco Compatible MEM-4400-8G DDR3 DRAM Module for Cisco ISR 4431 and 4451 Routers

Upgrade and optimize your Cisco ISR 4431 and 4451 routers with MEM-4400-8G, a DDR3 DRAM memory module designed to deliver dependable, high-capacity performance. This Cisco-compatible memory upgrade adds 8 GB of fast DDR3 RAM to your router, enabling larger routing tables, more concurrent sessions, and smoother data processing. Built for reliability and seamless compatibility, MEM-4400-8G helps you maximize throughput, reduce latency bottlenecks, and maintain efficient network operations in demanding environments.

• High-capacity DDR3 DRAM module: MEM-4400-8G provides an 8 GB memory upgrade for Cisco ISR 4431 and 4451 routers, supporting larger routing tables and more active processes.
• Optimized for Cisco ISR series: Specifically engineered to be compatible with Cisco ISR 4431 and 4451 platforms, ensuring stable operation and easy integration with existing Cisco hardware and firmware.
• Plug-and-play upgrade: Designed for straightforward installation with minimal downtime, allowing your router to recognize the added memory quickly and reliably.
• Improved performance and multitasking: More memory enables faster packet processing, better caching, and smoother handling of VPN sessions, virtualization features, and complex routing tasks.
• Reliable compatibility and deployment: The MEM-4400-8G module is built to meet industry standards for memory modules used in Cisco routers, providing dependable performance in varied operating conditions.

Technical Details of Cisco Compatible MEM-4400-8G

• Memory Type: DDR3 DRAM
• Capacity: 8 GB
• Form Factor: Memory module designed for Cisco ISR routers
• Compatibility: Cisco ISR 4431 and 4451 Routers
• Part Number: MEM-4400-8G (Cisco-compatible memory upgrade)
• Application: Increases memory available for routing tables, session handling, and app performance on supported Cisco ISR platforms

How to install Cisco Compatible MEM-4400-8G

To install MEM-4400-8G, power down your Cisco ISR router and unplug it from power. Open the access panel to locate the memory slot, remove any existing module if required, align the MEM-4400-8G module with the slot, and firmly seat it until it clicks into place. Replace the access panel, reconnect power, and boot the router. Once the device is powered on, verify the new memory is detected via the router’s management interface or CLI by checking the memory summary or using the appropriate show memory command. If compatible firmware is running, you should see the additional 8 GB reflected in the system memory. If the memory is not recognized, power down again, reseat the module, and retry the boot process. Always follow your network change management policy and perform upgrades during a maintenance window if possible.

Frequently asked questions

• Q: What is MEM-4400-8G? A: MEM-4400-8G is a DDR3 DRAM memory module designed as an 8 GB upgrade for Cisco ISR 4431 and 4451 routers, providing additional capacity and improved performance.
• Q: Is MEM-4400-8G an official Cisco part? A: It is described as Cisco-compatible memory. It is designed to work with Cisco ISR routers and validated for compatibility, but it is not an official Cisco-branded memory module.
• Q: Which devices will benefit most from this upgrade? A: Cisco ISR 4431 and 4451 routers that require more memory for larger routing tables, VPN sessions, virtualization, or high-traffic workloads will benefit most from this upgrade.
• Q: How do I know if my router needs more memory? A: If you experience system slowdowns under heavy load, excessive routing table growth, or frequent IO waits, adding memory can help improve performance and responsiveness.
• Q: Are there any special precautions for installation? A: Follow standard safety procedures: power down the device, discharge static, and handle the memory module by edges to avoid touching contacts. Use proper maintenance windows and backup configurations where applicable.