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Upgrade process was smooth and storage worked flawlessly.
MEM-CF-256U512MB
Cisco Memory MEM-CF-256U512MB
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Name:
MEM-CF-256U512MB
- Description:
- Cisco Memory MEM-CF-256U512MB
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 14445611844
- Condition:
- Warranty:
- 3
- List Price:
$300.00
- Price:
$95.0068.3% off
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1
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MEM-CF-256U512MB Overview
MEM-CF-256U512MB is a high-performance DDR4 memory module designed in a UDIMM form factor that operates at a speed of 3200 MHz with a CAS latency of CL16. Engineered to run at 1.35V, this unbuffered and non-ECC module is available in a single-channel kit configuration, making it an excellent choice for high-demand gaming and workstation builds.
MEM-CF-256U512MB features a robust thermal solution with an integrated heatspreader to maintain optimal operating temperatures across desktop, laptop, and server platforms. With its broad compatibility and reliable performance, it is ideally suited for users seeking consistent and efficient memory performance in a variety of computing environments.
MEM-CF-256U512MB price is $95.00, a 68.3% saving from the Cisco list price of $300.00. MEM-CF-256U512MB is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for MEM-CF-256U512MB for additional pricing. Browse the full 1900 & 2900 & 3900 Series Router Flash Memory series or explore all Cisco products.
MEM-CF-256U512MB Specifications
- Product Type
- Computer Memory
- Memory Type
- DDR4
- Capacity
- 512 GB
- Compatible Platforms
- Desktop / Laptop / Server
- Compatible Systems
- Tower Server
- Form Factor
- UDIMM
- Kit Configuration
- Single Channel
- Speed
- 3200 MHz
- Operating Temperature
- N/A
- Reliability Rating
- Standard
- CAS Latency (CL)
- CL16
- Voltage
- 1.35V
- ECC Support
- No
- Registered/Buffered
- Unbuffered
- XMP Support
- Intel XMP 2.0
- RGB Lighting
- No
- Heatsink / Heatspreader
- Yes
- Intel Platform Support
- Intel 12th Gen
- AMD Platform Support
- AMD Ryzen 5000
- Use Case
- Gaming
- Product Name
- MEM-CF-256U512MB
- Height
- 1.2 inches
- Width
- 5.3 inches
- Depth
- 0.2 inches
- Weight
- 0.3 lbs
MEM-CF-256U512MB Use Case
Enterprise Branch Router Performance Optimization
In high-traffic branch office routers, the MEM-CF-256U512MB module expands onboard storage to host multiple Cisco IOS images and backup configs, accelerating boot times by up to 40% and ensuring seamless failover for uninterrupted network availability.
High-Volume NetFlow Data Collection for Network Analytics
For large-scale network monitoring deployments, integrating the MEM-CF-256U512MB enables extended NetFlow data capture and local storage, doubling retention capacity and delivering granular traffic insights essential for proactive capacity planning and threat detection.
Secure VPN Termination and Audit Logging at Remote Sites
In remote branch VPN environments with strict compliance needs, the MEM-CF-256U512MB securely stores multiple VPN certificates, device profiles, and tamper-resistant audit logs, streamlining PCI DSS/HIPAA readiness while ensuring robust security and forensic traceability.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 MEM-CF-256U512MB |  MEM-CF-256U1GB |  MEM-CF-2GB |  MEM-CF-256MB= |  MEM-CF-1GB | |
|---|---|---|---|---|---|
| Product Type | Computer Memory | Computer Memory | Computer Memory | Computer Memory | Computer Memory |
| Memory Type | DDR4 | DDR4 | DDR4 | DDR4 | DDR4 |
| Capacity | 512 GB | 256 GB | 2 GB | 256 GB | 1 GB |
| Compatible Platforms | Desktop / Laptop / Server | Desktop / Laptop / Server | Desktop | Desktop / Laptop / Server | Desktop / Laptop / Server |
| Compatible Systems | Tower Server | Workstation | Tower Server | Workstation | Tower Server |
| Form Factor | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Kit Configuration | Single Channel | Single Channel | Single Channel | Single Channel | Single Channel |
| Speed | 3200 MHz | 3200 MHz | 2400 MHz | 3200 MHz | 3200 MHz |
| Operating Temperature | N/A | N/A | N/A | N/A | N/A |
| Reliability Rating | Standard | Standard | Standard | Standard | Standard |
| CAS Latency (CL) | CL16 | CL16 | CL16 | CL16 | CL16 |
| Voltage | 1.35V | 1.35V | 1.35V | 1.35V | 1.35V |
| ECC Support | No | No | No | No | No |
| Registered/Buffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered |
| XMP Support | Intel XMP 2.0 | Intel XMP 2.0 | No | Intel XMP 2.0 | No |
| RGB Lighting | No | No | No | No | No |
| Heatsink / Heatspreader | Yes | Yes | Yes | Yes | Yes |
| Intel Platform Support | Intel 12th Gen | Intel 13th Gen | N/A | Intel 12th Gen | N/A |
| AMD Platform Support | AMD Ryzen 5000 | AMD Ryzen 5000 | N/A | AMD Ryzen 5000 | AMD Ryzen 5000 |
| Use Case | Gaming | Gaming | Gaming | Gaming | Gaming / Workstation / Server |
| Product Name | MEM-CF-256U512MB | MEM-CF-256U1GB | MEM-CF-2GB | MEM-CF-256MB= | MEM-CF-1GB |
| Height | 1.2 inches | N/A | N/A | 1.2 inches | N/A |
| Width | 5.3 inches | N/A | N/A | 5.3 inches | N/A |
| Depth | 0.2 inches | N/A | N/A | 0.15 inches | N/A |
| Weight | 0.3 lbs | N/A | N/A | 0.3 lbs | N/A |
Reviews & Ratings
T
Thomas Avery
4
Reliable Cisco flash with consistent performance.
E
Eric Hammond
5
Improved system stability after replacement.
S
Scott Jennings
3
Compatible with our ISR platform without issues.
M
Mark Ellison
4
Good solution for expanding flash capacity.
Questions & Answers
What is Cisco Memory MEM-CF-256U512MB (SKU MEM-CF-256U512MB)?
Cisco Memory MEM-CF-256U512MB is a 512 MB CompactFlash card designed for Cisco routers to store operating system images, configurations, and log files.
Which Cisco devices are compatible with MEM-CF-256U512MB?
The MEM-CF-256U512MB module is fully compatible with Cisco 800, 1700, 2600, 3600, 3700, and 7200 series routers supporting CompactFlash storage.
What storage capacity does the MEM-CF-256U512MB provide?
This module provides 512 megabytes of flash storage, ideal for Cisco IOS images, boot files, and configuration backups.
How do I install the MEM-CF-256U512MB in my Cisco router?
Simply power down your router, insert the MEM-CF-256U512MB card into the CompactFlash slot, and power the device back on to recognize the new memory.