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MEM-2951-512MB=
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- 512MB DRAM 1 DIMM FOR CISCO 2951 ISR SPARE
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MEM-2951-512MB=
512MB DRAM 1 DIMM FOR CISCO 2951 ISR SPARE
$575.00
$210.00
37 in Global Warehouse
$210.00
63% off
TRUSTED, TRIED, PROVEN
MEM-2951-512MB= Overview
MEM-2951-512MB= is a high-performance DDR4 UDIMM computer memory module engineered for use in desktop, laptop, and server environments. It delivers reliable speeds of 3200 MHz paired with a CL16 latency and operates at a low 1.2V, making it an ideal solution for workstations and entry-level gaming builds that require both responsive performance and energy efficiency.
MEM-2951-512MB= is configured as a single channel kit with a total capacity of 512 GB, and it features an unbuffered design without ECC support. Built without a heatsink/heatspreader and lacking RGB lighting, this memory module is tailored for systems where streamlined performance and stable operation are paramount, making it a strong candidate for modern workstation and general use builds.
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MEM-2951-512MB= Specifications
| Product Type | Computer Memory |
| Memory Type | DDR4 |
| Capacity | 512 GB |
| Compatible Platforms | Desktop / Laptop / Server |
| Compatible Systems | Workstation |
| Form Factor | UDIMM |
| Kit Configuration | Single Channel |
| Speed | 3200 MHz |
| Operating Temperature | N/A |
| Reliability Rating | Standard |
| CAS Latency (CL) | CL16 |
| Voltage | 1.2V |
| ECC Support | No |
| Registered/Buffered | Unbuffered |
| XMP Support | No |
| RGB Lighting | No |
| Heatsink / Heatspreader | No |
| Intel Platform Support | Intel 10th Gen |
| AMD Platform Support | AMD Ryzen 3000 |
| Use Case | Workstation |
| Product Name | MEM-2951-512MB= |
| Height | 1.2 inches |
| Width | 5.3 inches |
| Depth | 0.5 inches |
| Weight | 0.15 lbs |
MEM-2951-512MB= Use Case
Rapid DRAM Swap for Zero-Downtime Branch Router Recovery
In a multi-site enterprise, MEM-2951-512MB DRAM 1 DIMM FOR CISCO 2951 ISR SPARE is pre‐staged at each branch office to replace a failed memory module in under 10 minutes, restoring full routing, VoIP and VPN services. This proactive spare strategy ensures sub‐hour MTTR, maintaining business continuity and SLA compliance across distributed locations.
Memory Upgrade to Boost VPN Throughput at Remote Offices
When a financial services firm rolls out encrypted IPSec tunnels from remote locations, installing the MEM-2951-512MB DRAM 1 DIMM on Cisco 2951 ISR routers eliminates memory bottlenecks during peak trading hours. The result is a 40% increase in concurrent VPN sessions and consistent low‐latency performance for mission-critical applications.
High-Availability Spare for Service-Provider Edge Resiliency
A nationwide telecom provider leverages MEM-2951-512MB DRAM 1 DIMM FOR CISCO 2951 ISR SPARE in its edge POPs to ensure immediate recovery from hardware faults without waiting for replacement shipments. By keeping a local inventory of hot-swappable DIMMs, the provider achieves 99.99% network uptime and protects revenue-sensitive customer links.
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 3000 | N/A | AMD Ryzen 5000 | N/A | AMD Ryzen 5000 |
| Capacity | 512 GB | 1 GB | 512 GB | 512 GB | 512 GB |
| CAS Latency (CL) | CL16 | CL11 | CL16 | CL16 | CL16 |
| Compatible Platforms | Desktop / Laptop / Server | Desktop | Desktop | Desktop / Server | Desktop / Laptop / Server |
| Compatible Systems | Workstation | N/A | N/A | N/A | Rack Server / Tower Server / Blade Server / Workstation / N/A |
| Depth | 0.5 inches | 0.2 inches | 0.6 inches | N/A | 0.36 inches |
| ECC Support | No | No | No | No | No |
| Form Factor | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Heatsink / Heatspreader | No | Yes | Yes | Yes | Yes |
| Height | 1.2 inches | 1.2 inches | 1.2 inches | N/A | 1.18 inches |
| Intel Platform Support | Intel 10th Gen | N/A | Intel 12th Gen | N/A | 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 | N/A | N/A | N/A | N/A |
| Product Name | MEM-2951-512MB= | MEM-2900-1GB= | MEM-2951-512U2.5GB | MEM-2900-512U1GB | 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 | 3200 MHz | 1600 MHz | 3200 MHz | 2900 MHz | 3200 MHz |
| Use Case | Workstation | General Use | Gaming | Workstation | Server |
| Voltage | 1.2V | 1.5V | 1.35V | 1.35V | 1.35V |
| Weight | 0.15 lbs | 0.15 lbs | 0.2 lbs | N/A | 0.3 lbs |
| Width | 5.3 inches | 5.3 inches | 5.3 inches | N/A | 5.25 inches |
| XMP Support | No | No | Intel XMP 2.0 | No | No |
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Questions & Answers
Q
What is the capacity of the MEM-2951-512MB= module?
A
The MEM-2951-512MB= provides 512 MB of DRAM in a single DIMM configuration for Cisco 2951 ISR routers.
Q
Which Cisco router model is the MEM-2951-512MB= compatible with?
A
This 512 MB DRAM DIMM is certified and optimized for the Cisco 2951 Integrated Services Router (ISR).
Q
What type of memory technology does the MEM-2951-512MB= use?
A
The module utilizes DDR3 ECC DRAM, ensuring error correction and reliable performance under heavy network loads.
Q
Can I install the MEM-2951-512MB= myself?
A
Yes. The module is hot-pluggable and designed for tool-free installation; simply power down the router following Cisco’s guidelines and insert the DIMM into an available slot.
Q
How do I verify that the 512 MB DRAM was installed correctly?
A
After reboot, use the Cisco IOS command show version or show memory to confirm the new total DRAM capacity.
Q
Will adding this 512 MB module improve my router’s performance?
A
Upgrading to an additional 512 MB DRAM enhances packet buffering, VPN throughput, and overall ISR multitasking capabilities.
Q
Is the MEM-2951-512MB= a genuine Cisco spare part?
A
Yes. This DIMM carries the exact Cisco part number and meets or exceeds OEM specifications for Cisco 2951 ISR devices.
Q
Does the MEM-2951-512MB= come with a warranty?
A
The module includes a one-year limited warranty against manufacturing defects when purchased through authorized channels.
Q
Do I need special handling or ESD protection to install this DRAM module?
A
Yes. Standard ESD wrist straps and grounding procedures are recommended to avoid electrostatic damage during installation.
Q
Can I combine the MEM-2951-512MB= with existing memory modules?
A
Yes. It can be added to an existing memory bank in your Cisco 2951 as long as total capacity does not exceed the platform maximum.
Q
What is the maximum memory capacity supported by the Cisco 2951 ISR?
A
The Cisco 2951 ISR supports up to 2 GB of DRAM across two DIMM slots—this 512 MB module contributes toward that total.
Q
How do I order the MEM-2951-512MB= spare part?
A
Use Cisco part number MEM-2951-512MB= when ordering through Cisco’s online portal or any authorized reseller.
Q
Are firmware updates required after installing the new DRAM?
A
No firmware update is necessary; the router will automatically recognize the additional 512 MB memory on next boot.
Q
What packaging does the MEM-2951-512MB= arrive in?
A
It ships in anti-static clamshell packaging with a protective foam insert to ensure safe transport.
Q
How quickly can I get replacement service if the DIMM fails?
A
Authorized Cisco partners can often ship a replacement the next business day under warranty coverage.
Q
Where can I find detailed installation instructions?
A
Refer to Cisco’s 2951 ISR hardware installation guide on Cisco.com for step-by-step instructions and safety precautions.
