United States$5,000,000+
Inventory Delivered By
J
Jonathan Price
5
Provided enough storage headroom for upgrades and backups.
MEM-CF-256U2GB
Cisco Memory MEM-CF-256U2GB
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Name:
MEM-CF-256U2GB
- Description:
- Cisco Memory MEM-CF-256U2GB
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 821455021040
- Condition:
- Warranty:
- 3
- List Price:
$1,183.00
- Price:
$384.0067.5% off
Quantity:
1
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MEM-CF-256U2GB Overview
MEM-CF-256U2GB is a DDR4 UDIMM memory module operating at 3200 MHz with a CAS latency of CL16 and a voltage of 1.35V. It is offered as a 256 GB kit configured for dual channel performance, featuring an unbuffered design without ECC support and built with an integrated heatspreader for efficient thermal management.
This high-performance memory module is engineered for gaming and workstation builds, ensuring optimal reliability and stability in modern computing environments. It is designed for desktop and workstation platforms, and its robust construction addresses the thermal demands of high-speed operations while providing Intel XMP 2.0 support for enhanced overclocking capabilities.
MEM-CF-256U2GB price is $384.00, a 67.5% saving from the Cisco list price of $1,183.00. MEM-CF-256U2GB is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for MEM-CF-256U2GB for additional pricing. Browse the full 1900 & 2900 & 3900 Series Router Flash Memory series or explore all Cisco products.
MEM-CF-256U2GB Specifications
- Product Type
- Computer Memory
- Memory Type
- DDR4
- Capacity
- 256 GB
- Compatible Platforms
- Desktop
- Compatible Systems
- Workstation
- Form Factor
- UDIMM
- Kit Configuration
- Dual 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 10th Gen
- AMD Platform Support
- AMD Ryzen 5000
- Use Case
- Gaming / Workstation
- Product Name
- MEM-CF-256U2GB
- Height
- 1.18 inches
- Width
- 5.25 inches
- Depth
- 0.50 inches
- Weight
- 0.30 lbs
MEM-CF-256U2GB Use Case
Seamless IOS Image Management for High-Availability Edge Routers
In a global enterprise with dozens of regional edge routers, network engineers install MEM-CF-256U2GB-Cisco Memory to store multiple Cisco IOS images and backup configurations locally. This compact flash expansion enables in-place OS upgrades and rapid failover testing without impacting live traffic. Benefit: maximized uptime, streamlined patch management, and reduced maintenance windows for mission-critical connectivity.
Enhanced Packet Buffering for Converged Voice and Video Services
A multi-site call center deploys MEM-CF-256U2GB-Cisco Memory on its Cisco Integrated Services Routers to increase flash capacity for real-time call detail records and video conferencing buffers. The added memory ensures jitter-resilient packet handling under peak loads. Benefit: superior QoS, reduced latency for voice/video streams, and measurable gains in customer satisfaction.
Scalable VPN and IoT Gateway Caching in Branch Offices
A retail chain equips each branch’s Cisco ISR with MEM-CF-256U2GB-Cisco Memory to locally store VPN certificates, IoT telemetry data, and log archives. This expansion supports simultaneous secure tunnels to headquarters and real-time sensor data caching. Benefit: accelerated data retrieval, robust encryption performance, and simplified compliance reporting across hundreds of locations.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 MEM-CF-256U2GB |  MEM-CF-1GB |  MEM-CF-4GB= |  MEM-CF-256U4GB |  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 | 1 GB | 4 GB | 256 GB | 8 GB |
| Compatible Platforms | Desktop | Desktop / Laptop / Server | Desktop / Laptop / Server | Desktop / Server | Desktop |
| Compatible Systems | Workstation | Tower Server | Workstation | Workstation | N/A |
| Form Factor | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Kit Configuration | Dual Channel | Single Channel | Single Channel | Quad 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 | 1.35V | 1.2V | 1.35V | 1.2V |
| ECC Support | No | No | No | No | No |
| Registered/Buffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered |
| XMP Support | Intel XMP 2.0 | No | 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 10th Gen | N/A | Intel 12th Gen | Intel 12th Gen | Intel 12th Gen |
| AMD Platform Support | AMD Ryzen 5000 | AMD Ryzen 5000 | AMD Ryzen 5000 | AMD Ryzen 5000 | AMD Ryzen 5000 |
| Use Case | Gaming / Workstation | Gaming / Workstation / Server | Gaming | Workstation | Gaming |
| Product Name | MEM-CF-256U2GB | MEM-CF-1GB | MEM-CF-4GB= | MEM-CF-256U4GB | MEM-CF-1GB DDR4 8GB UDIMM |
| Height | 1.18 inches | N/A | 1.4 inches | 1.3 inches | 1.25 inches |
| Width | 5.25 inches | N/A | 5.3 inches | 5.3 inches | 5.25 inches |
| Depth | 0.50 inches | N/A | 0.5 inches | 0.2 inches | 0.14 inches |
| Weight | 0.30 lbs | N/A | 0.25 lbs | 0.3 lbs | 0.1 lbs |
Reviews & Ratings
T
Thomas Avery
4
Cisco certified flash ensured full compatibility.
E
Eric Hammond
5
Stable performance with no read write errors.
S
Scott Jennings
3
Good balance of capacity and cost.
M
Mark Ellison
4
Solid storage upgrade for ISR platforms.
Questions & Answers
What is the Cisco MEM-CF-256U2GB memory card?
The Cisco MEM-CF-256U2GB is a 256 MB Type I CompactFlash memory module engineered for Cisco routers, providing reliable onboard storage for IOS images, configurations, and logs.
What is the storage capacity of MEM-CF-256U2GB?
The MEM-CF-256U2GB offers 256 MB of flash memory, enabling secure storage of IOS files, network configurations, and diagnostic data.
Which Cisco devices are compatible with MEM-CF-256U2GB?
Compatible with Cisco ISR 1900, 2900, and 3900 Series routers, ASR platforms, and select Catalyst switches supporting CompactFlash Type I slots.
What are the key features of the Cisco MEM-CF-256U2GB?
Key features include: - 256 MB high-density flash - CompactFlash Type I form factor - Fast read/write for quick boot - Industrial temperature rating (–40°C to +85°C)