United States$5,000,000+
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S
Stephen Lawson
5
Basic flash storage that worked reliably in our router.
MEM-CF-256MB
Cisco Memory MEM-CF-256MB
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Name:
MEM-CF-256MB
- Description:
- Cisco Memory MEM-CF-256MB
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 818249133553
- Condition:
- 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
- Memory Type
- DDR4
- Capacity
- 256 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
- 1.35V
- 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
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
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.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 MEM-CF-256MB |  MEM-CF-4GB= |  MEM-CF-256U4GB |  MEM-CF-256U2GB |  MEM-CF-256MB= | |
|---|---|---|---|---|---|
| Product Type | Computer Memory | Computer Memory | Computer Memory | Computer Memory | Computer Memory |
| Memory Type | DDR4 | DDR4 | DDR4 | DDR4 | DDR4 |
| Capacity | 256 GB | 4 GB | 256 GB | 256 GB | 256 GB |
| Compatible Platforms | Desktop / Laptop / Server | Desktop / Laptop / Server | Desktop / Server | Desktop | Desktop / Laptop / Server |
| Compatible Systems | Workstation | Workstation | Workstation | Workstation | Workstation |
| Form Factor | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Kit Configuration | Single Channel | Single Channel | Quad Channel | Dual Channel | Single Channel |
| Speed | 3200 MHz | 3200 MHz | 3200 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 | 1.2V | 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 | Intel XMP 2.0 | Intel XMP 2.0 | Intel XMP 2.0 |
| RGB Lighting | No | No | No | No | No |
| Heatsink / Heatspreader | Yes | Yes | Yes | Yes | Yes |
| Intel Platform Support | Intel 12th Gen | Intel 12th Gen | Intel 12th Gen | Intel 10th Gen | Intel 12th Gen |
| AMD Platform Support | AMD Ryzen 5000 | AMD Ryzen 5000 | AMD Ryzen 5000 | AMD Ryzen 5000 | AMD Ryzen 5000 |
| Use Case | Workstation | Gaming | Workstation | Gaming / Workstation | Gaming |
| Product Name | MEM-CF-256MB | MEM-CF-4GB= | MEM-CF-256U4GB | MEM-CF-256U2GB | MEM-CF-256MB= |
| Height | N/A | 1.4 inches | 1.3 inches | 1.18 inches | 1.2 inches |
| Width | N/A | 5.3 inches | 5.3 inches | 5.25 inches | 5.3 inches |
| Depth | N/A | 0.5 inches | 0.2 inches | 0.50 inches | 0.15 inches |
| Weight | N/A | 0.25 lbs | 0.3 lbs | 0.30 lbs | 0.3 lbs |
Reviews & Ratings
B
Brian Fletcher
4
Cisco memory installed cleanly and performed well.
E
Edward Simmons
5
Suitable for lightweight IOS deployments.
M
Martin Douglas
3
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.