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The compact flash works reliably for configuration and system storage.
ASA5500-CF-256MB=
ASA 5500 SERIES COMPACT FLASH 256MB
FEATURED DEAL
Name:
ASA5500-CF-256MB=
- Description:
- ASA 5500 SERIES COMPACT FLASH 256MB
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 641676227058
- Condition:
- Warranty:
- 3
- List Price:
$379.37
- Price:
$15.1896% off
Quantity:
1
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ASA5500-CF-256MB= Overview
ASA5500-CF-256MB= is a high-performance DDR4 memory module designed in a UDIMM form factor, optimized for desktop environments and high-reliability workstation builds. It operates at a speed of 3200 MHz with a CAS latency of CL16 and a nominal voltage of 1.2V, ensuring responsive performance in demanding applications.
Engineered for single channel configurations, this non-ECC, unbuffered module offers a streamlined design without additional heatsink enhancements or RGB lighting, making it an ideal choice for general use, gaming, and light workstation applications where efficiency and stability are paramount.
ASA5500-CF-256MB= price is $15.18, a 96% saving from the Cisco list price of $379.37. ASA5500-CF-256MB= is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for ASA5500-CF-256MB= for additional pricing. Browse the full Asa 5500 series or explore all Cisco products.
ASA5500-CF-256MB= Specifications
- Product Type
- Computer Memory
- Memory Type
- DDR4
- Capacity
- 256 MB
- Compatible Platforms
- Desktop
- Compatible Systems
- N/A
- Form Factor
- UDIMM
- Kit Configuration
- Single Channel
- Speed
- 3200 MHz
- Operating Temperature
- N/A
- Reliability Rating
- Standard
- CAS Latency (CL)
- CL16
- Voltage
- 1.2V
- ECC Support
- No
- Registered/Buffered
- Unbuffered
- XMP Support
- No
- RGB Lighting
- No
- Heatsink / Heatspreader
- No
- Intel Platform Support
- N/A
- AMD Platform Support
- N/A
- Use Case
- General Use
- Product Name
- ASA5500-CF-256MB=
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
ASA5500-CF-256MB= Use Case
Branch Firewall Configuration Backup & Rapid Recovery with ASA5500-CF-256MB
Scenario: A national retail chain deploys the ASA5500-CF-256MB (ASA 5500 Series Compact Flash 256 MB) to store nightly Cisco ASA firewall configuration snapshots. In the event of file system corruption or misconfiguration, IT restores the last clean image in under 5 minutes directly from the compact flash. Benefit: Minimizes branch office downtime by 90% and enforces consistent security policies across 100+ locations.
PCI DSS Compliant Log Retention on ASA 5500 Series Compact Flash
Scenario: A financial institution leverages the ASA5500-CF-256MB to locally archive 30 days of syslog entries, intrusion alerts, and audit trails on its Cisco ASA 5500 firewall. This on-device log storage meets PCI DSS and SOX retention mandates and supports in-house forensic investigations. Benefit: Ensures regulatory compliance, accelerates incident response, and offloads central logging infrastructure.
Zero-Touch ASA Firmware Deployment & Disaster Recovery
Scenario: A global data center network uses ASA5500-CF-256MB to preload multiple Cisco ASA OS and FirePOWER image files. During large-scale upgrades or disaster recovery drills, firewalls boot automatically from the compact flash, enabling zero-touch provisioning and uniform firmware distribution. Benefit: Reduces firmware rollout time by 70%, eliminates manual USB transfers, and enhances operational scalability.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 ASA5500-CF-256MB= |  ASA5540-MEM-2GB= |  ASA5500-CF-512MB= |  ASA5510-MEM-1GB= |  ASA5520-MEM-2GB= | |
|---|---|---|---|---|---|
| Product Type | Computer Memory | Computer Memory | Computer Memory | Computer Memory | Computer Memory |
| Memory Type | DDR4 | DDR4 | DDR3 | DDR3 | DDR4 |
| Capacity | 256 MB | 2 GB | 512 MB | 1GB | 2 GB |
| Compatible Platforms | Desktop | Desktop | Desktop / Laptop / Server | Server | Desktop / Laptop / Server |
| Compatible Systems | N/A | Workstation | N/A | N/A | Workstation |
| Form Factor | UDIMM | UDIMM | SODIMM | UDIMM | UDIMM |
| Kit Configuration | Single Channel | Single Channel | Single Channel | Single Channel | Single Channel |
| Speed | 3200 MHz | 2400 MHz | 1600 MHz | 1600 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 | CL11 | CL15 | CL16 |
| Voltage | 1.2V | 1.2V | 1.5V | 1.5V | 1.35V |
| ECC Support | No | No | No | No | No |
| Registered/Buffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered |
| XMP Support | No | No | No | No | No |
| RGB Lighting | No | No | No | No | No |
| Heatsink / Heatspreader | No | Yes | No | Yes | Yes |
| Intel Platform Support | N/A | N/A | N/A | N/A | N/A |
| AMD Platform Support | N/A | N/A | N/A | N/A | N/A |
| Use Case | General Use | General Use | General Use | Server | General Use |
| Product Name | ASA5500-CF-256MB= | ASA5540-MEM-2GB= | ASA5500-CF-512MB= | ASA5510-MEM-1GB= | ASA5520-MEM-2GB= |
| Height | N/A | 1.22 inches | N/A | 1.2 inches | N/A |
| Width | N/A | 5.24 inches | N/A | 5.3 inches | N/A |
| Depth | N/A | 0.20 inches | N/A | 0.3 inches | N/A |
| Weight | N/A | 0.08 lbs | N/A | 0.2 lbs | N/A |
Reviews & Ratings
N
Naveed Anjum
4
Simple replacement that performed exactly as expected.
M
Marta Kaczmarek
5
Good compatibility with legacy ASA devices.
D
Darren Walsh
3
A dependable compact flash option for older firewalls.
A
Arjun Malhotra
4
Reliable storage for light-duty deployments.
Questions & Answers
What is the ASA5500-CF-256MB?
The ASA5500-CF-256MB is a Cisco OEM 256 MB Compact Flash memory card designed to expand storage on ASA 5500 series security appliances.
Which Cisco ASA 5500 series models support the 256 MB Compact Flash?
The ASA5500-CF-256MB is fully compatible with ASA 5505, 5510, 5520, 5540, and 5550 series firewalls.
What are the primary benefits of upgrading to 256 MB Compact Flash?
Upgrading to 256 MB increases file storage for OS images, logs, and configuration backups, improving appliance performance and enabling larger logging retention.
How do I install the ASA5500-CF-256MB in my ASA 5500 series appliance?
Power off the ASA, remove the internal cover, insert the Compact Flash module into the card slot until it clicks, then replace the cover and power on.