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MEM-CF-256MB
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Cisco Memory MEM-CF-256MB
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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-256MB
- Description:
- Cisco Memory MEM-CF-256MB
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 0818249133553
- 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:
$460.00
- Price:
$175.0062% off
Quantity:
1
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MEM-CF-256MB Overview
MEM-CF-256MB is a DDR4 DIMM module operating at 3200 MHz with a CAS latency of CL16 and an optimal voltage of 1.35V, available as a 256 GB module in a single channel kit configuration. This memory is non-ECC and unbuffered, designed for compatibility with desktop, server, and laptop systems, and it comes equipped with an integrated heatspreader for effective thermal management without RGB lighting.
Engineered for high-performance applications, MEM-CF-256MB is ideal for demanding gaming setups, professional workstations, and reliable server builds. Its robust design and seamless integration with modern Intel and AMD platforms ensure stable performance and efficient operation in any performance-driven computing environment.
MEM-CF-256MB price is $175.00, a 62% saving from the Cisco list price of $460.00. MEM-CF-256MB is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for MEM-CF-256MB for additional pricing. Browse the full 1900 & 2900 & 3900 Series Router Flash Memory series or explore all Cisco products.
MEM-CF-256MB Specifications
- Product Type
- Computer Memory
- Brand
- Cisco
- Memory Type
- DDR4
- Capacity
- 256 GB
- Compatible Platforms
- Desktop / Laptop / Server
- Compatible Systems
- Workstation
- 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
- Workstation
- Product Name
- MEM-CF-256MB
MEM-CF-256MB Use Case
High-Performance Flash Expansion for Cisco ISR Routers with MEM-CF-256MB-Cisco Memory MEM-CF-256MB
In medium-sized enterprises running Cisco ISR 4000 Series routers, MEM-CF-256MB-Cisco Memory MEM-CF-256MB is added to accommodate growing IOS feature sets, large routing tables and security databases. By offloading flash‐intensive operations to the CompactFlash module, organizations achieve up to 30% lower packet processing latency and seamless support for advanced VPN, firewall and SD-WAN features. The result is continuous network uptime, future-proof scalability and simplified firmware management for mission-critical infrastructures.
Scalable Wireless LAN Controller Memory Upgrade Using MEM-CF-256MB-Cisco Memory MEM-CF-256MB
In high-density campus or hospitality environments, IT teams integrate MEM-CF-256MB-Cisco Memory MEM-CF-256MB into Cisco 5500/8500 Wireless LAN Controllers to support over 200 APs and 5,000 simultaneous clients. The added flash capacity ensures reliable firmware staging, client session logs and configuration snapshots without controller crashes or performance bottlenecks. This upgrade delivers 25% higher client throughput, predictable roaming performance and streamlined over-the-air firmware rollouts.
Cisco Catalyst Switch Redundancy and IOS Image Management with MEM-CF-256MB-Cisco Memory MEM-CF-256MB
Data centers and enterprise branches deploy MEM-CF-256MB-Cisco Memory MEM-CF-256MB in Catalyst 2960/3650/3850 switches to store multiple IOS images, auto-backup startup configurations and system logs on a secured CompactFlash platform. This approach halves failover recovery times, enables instant rollback to validated firmware versions and centralizes image management across distributed sites. The outcome is minimized downtime, rapid disaster recovery and reduced operational complexity for large-scale switch deployments.
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Product Comparison Table 
| MEM-CF-256MB |  MEM-CF-256U4GB |  MEM-CF-256U2GB | |
|---|---|---|---|
| Product Type | Computer Memory | Computer Memory | Computer Memory |
| Memory Type | DDR4 | DDR4 | DDR4 |
| Capacity | 256 GB | 256 GB | 256 GB |
| Compatible Platforms | Desktop / Laptop / Server | Desktop / Server | Desktop |
| Compatible Systems | Workstation | Workstation | Workstation |
| Form Factor | UDIMM | UDIMM | UDIMM |
| Kit Configuration | Single Channel | Quad Channel | Dual Channel |
| Speed | 3200 MHz | 3200 MHz | 3200 MHz |
| Reliability Rating | Standard | Standard | Standard |
| CAS Latency (CL) | CL16 | CL16 | CL16 |
| Voltage | 1.35V | 1.35V | 1.35V |
| ECC Support | No | No | No |
| Registered/Buffered | Unbuffered | Unbuffered | Unbuffered |
| XMP Support | Intel XMP 2.0 | Intel XMP 2.0 | Intel XMP 2.0 |
| RGB Lighting | No | No | No |
| Heatsink / Heatspreader | Yes | Yes | Yes |
| Intel Platform Support | Intel 12th Gen | Intel 12th Gen | Intel 10th Gen |
| AMD Platform Support | AMD Ryzen 5000 | AMD Ryzen 5000 | AMD Ryzen 5000 |
| Use Case | Workstation | Workstation | Gaming / Workstation |
| Product Name | MEM-CF-256MB | MEM-CF-256U4GB | MEM-CF-256U2GB |
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
S
Stephen Lawson
4
Basic flash storage that worked reliably in our router.
B
Brian Fletcher
5
Cisco memory installed cleanly and performed well.
E
Edward Simmons
4
Suitable for lightweight IOS deployments.
M
Martin Douglas
4
Stable flash with expected Cisco quality.
O
Oliver Kent
4
Good replacement for aging compact flash.
Questions & Answers
What is the Cisco MEM-CF-256MB?
The Cisco MEM-CF-256MB is a 256 MB CompactFlash memory module designed for Cisco routers and switches to store IOS images, configurations, and log files.
What are the key specifications of MEM-CF-256MB?
The MEM-CF-256MB features 256 MB capacity, CompactFlash Type I form factor, industry-standard CF interface, and optimized flash performance for Cisco platforms.
Which Cisco devices support MEM-CF-256MB?
MEM-CF-256MB is compatible with Cisco 1700, 2600, 3600, 3700, 7200, 7500 series routers and select switch models with CF card slots.
How do I install the MEM-CF-256MB in my router?
Power off the device, insert MEM-CF-256MB into the CompactFlash slot until it clicks, then power on. Confirm detection via the IOS command prompt.
Can I use MEM-CF-256MB to store Cisco IOS images?
Yes. MEM-CF-256MB is ideal for storing Cisco IOS images, system configurations, boot diagnostics, and crashinfo files.
What file systems does MEM-CF-256MB support?
MEM-CF-256MB supports FAT16 and FAT32 file systems for compatibility with Cisco IOS and standard PC formatting utilities.
Will MEM-CF-256MB improve device performance?
Upgrading to MEM-CF-256MB provides more storage overhead for IOS images and logs, minimizing I/O bottlenecks and improving system responsiveness.
Is the MEM-CF-256MB hot-swappable?
No. For reliable detection and data integrity, power down your Cisco device before inserting or removing the MEM-CF-256MB.
Can I reformat MEM-CF-256MB if needed?
Yes. You can reformat the MEM-CF-256MB in-device using the 'format flash:' IOS command or via a PC using FAT16/FAT32 tools.
How do I verify that my device recognizes MEM-CF-256MB?
Use the 'show flash:' IOS command at the router prompt; MEM-CF-256MB will appear as a mounted flash device with its capacity listed.
What environmental conditions does MEM-CF-256MB tolerate?
The MEM-CF-256MB operates between 0°C and 55°C (32°F–131°F) and stores safely between –20°C and 85°C (–4°F–185°F).
What warranty covers the MEM-CF-256MB?
Cisco backs the MEM-CF-256MB with a lifetime warranty against defects in materials and workmanship under normal use.
How do I troubleshoot MEM-CF-256MB detection issues?
Ensure the card is fully inserted, power-cycle the device, confirm IOS compatibility, and run 'diagnostic start' to check CF slot errors.
Is MEM-CF-256MB an original Cisco product?
Yes. The MEM-CF-256MB is a genuine Cisco memory module manufactured to Cisco’s quality and compatibility standards.
What is the SKU and how can I order MEM-CF-256MB?
The product SKU is MEM-CF-256MB. You can order through Cisco partners, authorized resellers, or the Cisco Commerce Workspace.
Can MEM-CF-256MB store crashinfo and logs reliably?
Yes. MEM-CF-256MB’s flash architecture ensures secure, persistent storage of crashinfo, syslogs, and diagnostic data without wear issues.