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MEM-CF-256U512MB
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Cisco Memory MEM-CF-256U512MB
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Hand-picked by our procurement team for standout value. This unit is offered at our sharpest price on current stock, verified against live market rates.
Name:
MEM-CF-256U512MB
- Description:
- Cisco Memory MEM-CF-256U512MB
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 0014445611844
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
- Warranty:
- 3
- List Price:
$300.00
- Price:
$95.0068.3% off
Quantity:
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
- Brand
- Cisco
- 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
- 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.
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Product Comparison Table 
| MEM-CF-256U512MB |  MEM-CF-256U1GB |  MEM-CF-2GB |  MEM-CF-1GB | |
|---|---|---|---|---|
| Product Type | Computer Memory | Computer Memory | Computer Memory | Computer Memory |
| Memory Type | DDR4 | DDR4 | DDR4 | DDR4 |
| Capacity | 512 GB | 256 GB | 2 GB | 1 GB |
| Compatible Platforms | Desktop / Laptop / Server | Desktop / Laptop / Server | Desktop | Desktop / Laptop / Server |
| Compatible Systems | Tower Server | Workstation | Tower Server | Tower Server |
| Form Factor | UDIMM | UDIMM | UDIMM | UDIMM |
| Kit Configuration | Single Channel | Single Channel | Single Channel | Single Channel |
| Speed | 3200 MHz | 3200 MHz | 2400 MHz | 3200 MHz |
| Reliability Rating | Standard | Standard | Standard | Standard |
| CAS Latency (CL) | CL16 | CL16 | CL16 | CL16 |
| Voltage | 1.35V | 1.35V | 1.35V | 1.35V |
| ECC Support | No | No | No | No |
| Registered/Buffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered |
| XMP Support | Intel XMP 2.0 | Intel XMP 2.0 | No | No |
| RGB Lighting | No | No | No | No |
| Heatsink / Heatspreader | Yes | Yes | Yes | Yes |
| Use Case | Gaming | Gaming | Gaming | Gaming / Workstation / Server |
| Product Name | MEM-CF-256U512MB | MEM-CF-256U1GB | MEM-CF-2GB | MEM-CF-1GB |
Compliance & Warranty
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
J
Jonathan Price
4
Upgrade process was smooth and storage worked flawlessly.
T
Thomas Avery
4
Reliable Cisco flash with consistent performance.
E
Eric Hammond
5
Improved system stability after replacement.
S
Scott Jennings
4
Compatible with our ISR platform without issues.
M
Mark Ellison
5
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.
Can I upgrade my existing CompactFlash card to MEM-CF-256U512MB?
Yes, you can upgrade your current CompactFlash card as long as your Cisco router supports 512 MB capacity in the CF slot.
What performance benefits does the MEM-CF-256U512MB offer?
With 512 MB of flash memory, the MEM-CF-256U512MB accelerates boot times, enhances file storage, and improves overall router responsiveness.
Is the MEM-CF-256U512MB covered by Cisco’s warranty?
Yes, the MEM-CF-256U512MB is covered by Cisco’s standard one-year limited warranty with options for extended coverage through Cisco Smart Net Total Care.
What is the operating temperature range for MEM-CF-256U512MB?
The MEM-CF-256U512MB operates reliably between –40°C to 85°C, ensuring stable performance in harsh environments.
How reliable is Cisco’s MEM-CF-256U512MB memory card?
Cisco’s MEM-CF-256U512MB features industrial-grade flash components with high endurance ratings and data retention up to 10 years.
Can I use MEM-CF-256U512MB for IOS image storage and configuration backup?
Yes, the MEM-CF-256U512MB is optimized to store Cisco IOS images, startup configurations, and system logs securely.
Does MEM-CF-256U512MB support file system formats?
The MEM-CF-256U512MB supports FAT16 and Cisco’s proprietary file systems commonly used in IOS-based routers.
How do I verify that my router recognizes the MEM-CF-256U512MB?
After installation, use the IOS command `show flash:` to confirm the MEM-CF-256U512MB appears with its 512 MB capacity.
What is the difference between MEM-CF-256U512MB and third-party CompactFlash cards?
Unlike generic cards, the Cisco MEM-CF-256U512MB is tested and certified for full compatibility and performance with Cisco routers.
Where can I purchase Cisco MEM-CF-256U512MB?
You can purchase the MEM-CF-256U512MB through authorized Cisco resellers, the Cisco online store, or certified distribution partners.
What is the lead time for delivery of MEM-CF-256U512MB?
Delivery times vary by region but typically range from 2 to 5 business days when ordered from an authorized Cisco partner.
What support options are available for MEM-CF-256U512MB?
Cisco provides technical support via its online support portal, and extended support is available with a Cisco Smart Net Total Care contract.