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MEM-12KRP-FD256M
Cisco 12000 Series 256MB PCMCIA ATA Flash Disk
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MEM-12KRP-FD256M is a high-performance DDR4 memory module engineered in an RDIMM form factor, operating at 2933 MHz with a CAS latency of CL19 and a voltage of 1.2V. This module is designed with a capacity of 256 GB in a Single Channel kit configuration, featuring advanced ECC support and registered buffering for optimal reliability in demanding server and workstation environments.
The module is fully compatible with Desktop, Laptop, and Server platforms—specifically targeting rack and tower server as well as workstation systems. It comes equipped with a heatspreader for enhanced thermal management and does not offer RGB lighting, making it ideal for server, workstation, and general high-reliability applications.
MEM-12KRP-FD256M price is $370.00, a 47.1% saving from the Cisco list price of $700.00. MEM-12KRP-FD256M is in stock and available for next-day dispatch. (terms applied)
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| MEM-12KRP-FD256M |  MEM-4460-32G |  MEM-1900-512U2.5GB | |
|---|---|---|---|
| AMD Platform Support | AMD EPYC | AMD Ryzen 5000 | AMD Ryzen 5000 |
| CAS Latency (CL) | CL19 | CL16 | CL16 |
| Capacity | 256 GB | 32 GB | 512 GB |
| Compatible Platforms | Desktop / Laptop / Server | Desktop / Laptop / Server | Desktop / Server |
| Compatible Systems | Rack Server / Tower Server / Blade Server / Workstation / N/A | Rack Server / Tower Server / Blade Server / Workstation / N/A | Workstation |
| Depth | 0.14 inches | 0.5 inches | 0.8 inches |
| ECC Support | Yes | No | No |
| Form Factor | RDIMM | UDIMM | UDIMM |
| Heatsink / Heatspreader | Yes | Yes | Yes |
| Height | 1.18 inches | 1.5 inches | 1.2 inches |
| Intel Platform Support | Intel Xeon Scalable | Intel 12th Gen | Intel 13th Gen |
| Kit Configuration | Single Channel | Single Channel | Quad Channel |
| Memory Type | DDR4 | DDR4 | DDR4 |
| Product Name | MEM-12KRP-FD256M | MEM-4460-32G DDR4 3200MHz UDIMM Memory Module | MEM-1900-512U2.5GB |
| Product Type | Computer Memory | Computer Memory | Computer Memory |
| RGB Lighting | No | No | No |
| Registered/Buffered | Registered | Unbuffered | Unbuffered |
| Reliability Rating | High Reliability | Standard | Standard |
| Speed | 2933 MHz | 3200 MHz | 3200 MHz |
| Use Case | Server | Gaming | Workstation |
| Voltage | 1.2V | 1.35V | 1.35V |
| Weight | 0.5 lbs | 0.3 lbs | 0.5 lbs |
| Width | 5.3 inches | 5.25 inches | 5.3 inches |
| XMP Support | No | Intel XMP 2.0 | Intel XMP 2.0 |
Reliable ATA flash disk. 256MB is perfect for storing multiple IOS images and configuration backups. Solid performance.
Perfect fit for the 12K RRP. The read/write speeds are consistent and it has been 100% reliable for our boot cycles.
High-quality flash storage. It's essential for maintaining local backups of our core router configs. No issues at all.
Robust PCMCIA card. It provides the dependable storage needed for our mission-critical 12000 series routers. Great value.
Steady and reliable flash memory. 256MB is exactly what we needed for our standard core router deployments. Very satisfied.
The Cisco 12000 Series 256MB PCMCIA ATA Flash Disk (SKU MEM-12KRP-FD256M) is a removable PCMCIA Type II storage module that provides 256 MB of flash memory for boot images, configurations, and file storage on compatible Cisco routers.
The MEM-12KRP-FD256M offers 256 MB capacity in a PCMCIA Type II form factor, supports the ATA interface, operates from 0 °C to 70 °C, and delivers reliable read/write performance optimized for Cisco IOS images.
Yes, the MEM-12KRP-FD256M is fully compatible with Cisco 12000 Series and CRS-1 routers that feature PCMCIA card slots for flash storage expansion.
Power down the router, insert the PCMCIA ATA Flash Disk into the designated slot until it clicks, power on the router, and verify recognition with the "show flash" command in Cisco IOS.
The MEM-12KRP-FD256M uses Cisco’s native flash file system (FlashFS), which supports efficient storage and retrieval of IOS images, configurations, and system files.
Yes, you can upgrade by replacing the 256 MB module with higher-capacity PCMCIA ATA flash modules, as long as they are listed in the Cisco compatibility matrix.
No, the PCMCIA ATA Flash Disk must be inserted or removed only when the router is powered off to prevent data corruption.
Under normal operating conditions, the MEM-12KRP-FD256M delivers a mean time between failures (MTBF) exceeding 50,000 hours, ensuring long-term reliability.
In Cisco IOS, issue the command "format flash: [slot-number]" and confirm the prompt; the device will initialize the FlashFS file system automatically.
The flash disk supports a commercial operating range of 0 °C to 70 °C and a storage range of –40 °C to 85 °C for short-term shipment or storage.
Yes, the MEM-12KRP-FD256M is covered by Cisco’s Limited Lifetime Hardware Warranty; refer to Cisco’s official warranty documentation for terms and conditions.
Data security is enforced through Cisco IOS file encryption and hardware wear-leveling; for additional protection, enable flash encryption and secure boot features in IOS.
Absolutely, the 256 MB flash disk is designed to store multiple Cisco IOS images, startup configurations, and other system files needed for router boot and operation.
The MEM-12KRP-FD256M delivers up to 2 MB/s sustained read speed and 1.5 MB/s sustained write speed, ensuring fast boot times and file transfers.
Verify the PCMCIA slot is enabled in Cisco IOS, reseat the module with the router powered off, power cycle, and check "show flash"; update IOS if compatibility issues persist.
You can order the MEM-12KRP-FD256M through Cisco’s official online store, authorized Cisco resellers, or Cisco Certified Partners worldwide.
Yes, the PCMCIA ATA Flash Disk is fully bootable and can load Cisco IOS images directly during router startup when configured as the primary boot device.
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