United States$5,000,000+
Inventory Delivered By
R
Richard Nolan
5
Basic flash replacement that restored normal operation.
MEM-CF-256MB=
256MB COMPACT FLASH FOR CISCO 1900 2900 3900 ISR
FEATURED DEAL
Name:
MEM-CF-256MB=
- Description:
- 256MB COMPACT FLASH FOR CISCO 1900 2900 3900 ISR
- 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:
$168.0063.5% off
Quantity:
1
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MEM-CF-256MB= Overview
MEM-CF-256MB= is a high-performance DDR4 memory module engineered in a UDIMM form factor, designed to support desktop, laptop, and server platforms. It operates at 3200 MHz with a CAS latency of CL16 and a voltage of 1.35V, and is available in a single channel kit configuration featuring a 256 GB module that is non-ECC and unbuffered, complemented by an integrated heatspreader for improved thermal performance.
In addition to its core performance attributes, MEM-CF-256MB= is optimized for demanding setups such as gaming builds and workstation environments. Its compact design—with dimensions of approximately 1.2 inches in height, 5.3 inches in width, and 0.15 inches in depth, weighing around 0.3 lbs—ensures compatibility with a broad range of modern Intel and AMD platforms, making it a reliable choice for high-performance computing needs.
MEM-CF-256MB= price is $168.00, a 63.5% 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
- Gaming
- Product Name
- MEM-CF-256MB=
- Height
- 1.2 inches
- Width
- 5.3 inches
- Depth
- 0.15 inches
- Weight
- 0.3 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 MEM-CF-256MB= |  MEM-CF-4GB= |  MEM-CF-1GB= |  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 | 256 GB | 4 GB | 8 GB | 256 GB | 1 GB |
| Compatible Platforms | Desktop / Laptop / Server | Desktop / Laptop / Server | Desktop | Desktop / Laptop / Server | Desktop / Laptop / Server |
| Compatible Systems | Workstation | Workstation | N/A | 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 | 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 | 1.2V | 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 | No |
| 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 12th Gen | N/A |
| AMD Platform Support | AMD Ryzen 5000 | AMD Ryzen 5000 | AMD Ryzen 5000 | AMD Ryzen 5000 | AMD Ryzen 5000 |
| Use Case | Gaming | Gaming | Gaming | Workstation | Gaming / Workstation / Server |
| Product Name | MEM-CF-256MB= | MEM-CF-4GB= | MEM-CF-1GB DDR4 8GB UDIMM | MEM-CF-256MB | MEM-CF-1GB |
| Height | 1.2 inches | 1.4 inches | 1.25 inches | N/A | N/A |
| Width | 5.3 inches | 5.3 inches | 5.25 inches | N/A | N/A |
| Depth | 0.15 inches | 0.5 inches | 0.14 inches | N/A | N/A |
| Weight | 0.3 lbs | 0.25 lbs | 0.1 lbs | N/A | N/A |
Reviews & Ratings
B
Brian Marshall
4
Cisco memory delivered stable storage performance.
E
Edward Price
5
Worked well for configuration and IOS storage.
M
Martin Shaw
3
Simple and reliable compact flash upgrade.
O
Oliver Reed
4
Good value for legacy router environments.
Questions & Answers
What is the MEM-CF-256MB= 256MB Compact Flash for Cisco 1900, 2900, 3900 ISR?
The MEM-CF-256MB= is a genuine Cisco 256MB Compact Flash card designed specifically for Cisco 1900, 2900 and 3900 Integrated Services Routers.
Which Cisco router models are compatible with the 256MB Compact Flash?
The MEM-CF-256MB= is fully compatible with Cisco ISR 1900, 2900 and 3900 series routers, ensuring seamless integration and reliable performance.
What is the storage capacity of MEM-CF-256MB=?
This Compact Flash card provides 256 megabytes of non-volatile storage for IOS images, configurations and log files.
What read/write speeds can I expect from this Compact Flash?
The MEM-CF-256MB= delivers up to 20 MB/s read and 10 MB/s write speeds, optimized for booting and application performance on Cisco ISRs.