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MEM-CF-512MB=
- Description:
- 512MB Compact Flash for Cisco 1900, 2900, 3900 ISR
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MEM-CF-512MB=
512MB Compact Flash for Cisco 1900, 2900, 3900 ISR
$690.00
$253.00
13 in Global Warehouse
$253.00
63% off
TRUSTED, TRIED, PROVEN
MEM-CF-512MB= Overview
MEM-CF-512MB= is a high-performance DDR4 UDIMM memory module designed with 512 MB capacity, operating at 3200 MHz speed with a low CAS latency of CL16 and a voltage requirement of 1.35V. Its single channel kit configuration is unbuffered and non‐ECC, ensuring compatibility across desktop, laptop, and server platforms while delivering reliable performance.
Engineered for demanding workstation and server builds, MEM-CF-512MB= features an integrated heatsink/heatspreader for enhanced thermal management and stability under load. With support for Intel XMP 2.0 and seamless integration with recent Intel 13th Gen and AMD Ryzen 5000 platforms, this product caters to users seeking robust, high-performance memory for professional and gaming applications.
What is the price of MEM-CF-512MB=?
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Explore more options from Memory & Flash or explore other Cisco products.
MEM-CF-512MB= Specifications
| Product Type | Computer Memory |
| Memory Type | DDR4 |
| Capacity | 512 MB |
| Compatible Platforms | Desktop / Laptop / Server |
| 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 | 1.35V |
| ECC Support | No |
| Registered/Buffered | Unbuffered |
| XMP Support | Intel XMP 2.0 |
| RGB Lighting | No |
| Heatsink / Heatspreader | Yes |
| Intel Platform Support | Intel 13th Gen |
| AMD Platform Support | AMD Ryzen 5000 |
| Use Case | Workstation |
| Product Name | MEM-CF-512MB= |
| Height | 1.2 inches |
| Width | 5.3 inches |
| Depth | 0.5 inches |
| Weight | 0.25 lbs |
MEM-CF-512MB= Use Case
Rapid Firmware Upgrade and Rollback in Branch Offices
In a geographically distributed retail network using Cisco 1900, 2900 and 3900 ISR routers, MEM-CF-512MB= Compact Flash stores dual firmware images for zero-downtime upgrades. When a new IOS release is deployed, routers boot from the secondary image on 512 MB flash while the primary image is updated in the background. In case of failure, the system instantly rolls back to the stable image. Benefit: Minimizes service interruptions, accelerates patch rollout and ensures rapid recovery with dependable firmware redundancy.
On-Device Encrypted Configuration Backup for Compliance
A financial services firm leverages MEM-CF-512MB= Compact Flash on Cisco ISR 1900/2900/3900 platforms to store encrypted backups of critical device configurations and access control lists. Automated scripts periodically push encrypted config snapshots to the 512 MB flash, where they’re hashed and versioned. In regulatory audits, teams retrieve historical configurations directly from the device. Benefit: Ensures audit-ready configuration archiving, strengthens compliance posture and reduces reliance on external storage.
Local Logging and Statistics Cache for DMVPN Hubs
In a multi-site enterprise employing DMVPN on Cisco 2900 and 3900 ISRs, MEM-CF-512MB= Compact Flash is dedicated to buffering NetFlow records, syslogs and performance metrics locally during peak traffic. When connectivity to the central collector is restored, the cached logs are securely forwarded, preventing data loss. Benefit: Improves network visibility, guarantees complete log delivery under intermittent links and optimizes troubleshooting with a reliable on-device statistics archive.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| AMD Platform Support | N/A | AMD Ryzen 5000 | AMD Ryzen 5000 | AMD Ryzen 5000 | AMD Ryzen 5000 |
| Capacity | 2 GB | 512 MB | 256 GB | 4 GB | 256 GB |
| CAS Latency (CL) | CL16 | CL16 | CL16 | CL16 | CL16 |
| Compatible Platforms | Desktop | Desktop / Laptop / Server | Desktop / Laptop / Server | Desktop / Laptop / Server | Desktop |
| Compatible Systems | Tower Server | N/A | Workstation | Workstation | Workstation |
| Depth | N/A | 0.5 inches | 0.15 inches | 0.5 inches | 0.50 inches |
| ECC Support | No | No | No | No | No |
| Form Factor | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Heatsink / Heatspreader | Yes | Yes | Yes | Yes | Yes |
| Height | N/A | 1.2 inches | 1.2 inches | 1.4 inches | 1.18 inches |
| Intel Platform Support | N/A | Intel 13th Gen | Intel 12th Gen | Intel 12th Gen | Intel 10th Gen |
| Kit Configuration | Single Channel | Single Channel | Single Channel | Single Channel | Dual Channel |
| Memory Type | DDR4 | DDR4 | DDR4 | DDR4 | DDR4 |
| Operating Temperature | N/A | N/A | N/A | N/A | N/A |
| Product Name | MEM-CF-2GB | MEM-CF-512MB= | MEM-CF-256MB= | MEM-CF-4GB= | MEM-CF-256U2GB |
| Product Type | Computer Memory | Computer Memory | Computer Memory | Computer Memory | Computer Memory |
| Registered/Buffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered |
| Reliability Rating | Standard | Standard | Standard | Standard | Standard |
| RGB Lighting | No | No | No | No | No |
| Speed | 2400 MHz | 3200 MHz | 3200 MHz | 3200 MHz | 3200 MHz |
| Use Case | Gaming | Workstation | Gaming | Gaming | Gaming / Workstation |
| Voltage | 1.35V | 1.35V | 1.35V | 1.2V | 1.35V |
| Weight | N/A | 0.25 lbs | 0.3 lbs | 0.25 lbs | 0.30 lbs |
| Width | N/A | 5.3 inches | 5.3 inches | 5.3 inches | 5.25 inches |
| XMP Support | No | Intel XMP 2.0 | Intel XMP 2.0 | Intel XMP 2.0 | Intel XMP 2.0 |
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Questions & Answers
Q
What is the MEM-CF-512MB Compact Flash card?
A
The MEM-CF-512MB is a 512 MB Compact Flash memory module designed for Cisco 1900, 2900 and 3900 Integrated Services Routers (ISR) to store IOS images, configuration files and system logs.
Q
Which Cisco ISR models support the MEM-CF-512MB card?
A
The MEM-CF-512MB card is fully compatible with Cisco 1900, 2900 and 3900 series Integrated Services Routers that include a Compact Flash slot.
Q
How do I install the 512 MB CF card on my Cisco router?
A
Power off the router, open the CF slot cover, insert the MEM-CF-512MB card with the gold contacts facing down, close the cover and power on the router.
Q
How do I verify the MEM-CF-512MB is recognized by my router?
A
Log in to the router CLI and enter the command show flash. The MEM-CF-512MB card will appear as flash0: or similar with 512 MB capacity.
Q
What file systems and formats does this Compact Flash card support?
A
The MEM-CF-512MB supports FAT16, FAT32 and Cisco proprietary file systems. You can format it via the router CLI using the command format flash0:.
Q
Can I store multiple IOS images on this 512 MB card?
A
Yes. Depending on the image size, you can store one or more compact IOS images, configuration archives and system logs within the 512 MB capacity.
Q
What are the performance specifications of the MEM-CF-512MB card?
A
The card supports PIO modes 3–4 and Multiword DMA mode 0–2, delivering sustained read/write speeds up to 16 MB/s for reliable boot and file transfer.
Q
Is the MEM-CF-512MB card compatible with Cisco IOS flash encryption?
A
Yes. The card supports Cisco IOS flash encryption (Cisco Secure Boot) to protect stored images and configurations from unauthorized access.
Q
What are the operating temperature and durability ratings?
A
The MEM-CF-512MB operates between 0 °C and 70 °C, with shock resistance of 1,500 G and vibration tolerance up to 20 G for industrial reliability.
Q
Does the card come with a warranty?
A
Yes. The MEM-CF-512MB includes a one-year limited warranty covering manufacturing defects and failure under normal operating conditions.
Q
Is this an original Cisco product or third-party compatible?
A
The MEM-CF-512MB is an original Cisco memory module designed, tested and certified for optimal performance in Cisco 1900, 2900 and 3900 ISRs.
Q
How do I format the MEM-CF-512MB card on a Cisco router?
A
Enter router EXEC mode and run format flash0: (or the appropriate slot identifier), confirm the prompt and wait for the formatting process to complete.
Q
What file sizes and partitions are supported on this 512 MB card?
A
The card supports a single partition up to 512 MB. FAT16 is recommended for partitions under 2 GB and Cisco file systems for optimized router functions.
Q
Where can I purchase the MEM-CF-512MB Compact Flash card?
A
You can purchase the MEM-CF-512MB card from Cisco authorized resellers, online marketplaces certified by Cisco or directly via the Cisco e-commerce portal.
Q
How do I troubleshoot if my router does not detect the CF card?
A
Verify proper seating in the slot, power-cycle the router, check show flash output, ensure the card is formatted correctly and replace with a known-good module if issues persist.
Q
What are the physical dimensions and weight of the MEM-CF-512MB?
A
The MEM-CF-512MB measures 43 × 36 × 3.3 mm and weighs approximately 11 g, fitting standard Compact Flash Type I slots in Cisco ISR platforms.
