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MEM-CF-4GB
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Cisco Memory MEM-CF-4GB
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Hand-picked by our procurement team for standout value. This unit is offered at our sharpest price on current stock, verified against live market rates.
Name:
MEM-CF-4GB
- Description:
- Cisco Memory MEM-CF-4GB
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 0662714881292
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
- Warranty:
- 3
- List Price:
$1,840.00
- Price:
$849.0053.9% off
Quantity:
1
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MEM-CF-4GB Overview
MEM-CF-4GB is a high-performance DDR4 DIMM module designed for desktop, server, and laptop builds. It operates at 2666 MHz with a CL16 latency and 1.2V, offering a 4 GB capacity in a single-channel configuration that is non-ECC and unbuffered, complete with an integrated heatspreader for superior thermal management.
Engineered to meet contemporary computing demands, MEM-CF-4GB provides robust compatibility with Intel 10th Gen and AMD Ryzen 3000 platforms. Its streamlined design without RGB lighting makes it ideal for gaming, workstation, and server use cases, ensuring reliable and efficient performance in a variety of system environments.
MEM-CF-4GB price is $849.00, a 53.9% saving from the Cisco list price of $1,840.00. MEM-CF-4GB is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for MEM-CF-4GB for additional pricing. Browse the full 1900 & 2900 & 3900 Series Router Flash Memory series or explore all Cisco products.
MEM-CF-4GB Specifications
- Product Type
- Computer Memory
- Brand
- Cisco
- Memory Type
- DDR4
- Capacity
- 4 GB
- Compatible Platforms
- Desktop / Laptop / Server
- Compatible Systems
- Workstation
- Form Factor
- UDIMM
- Kit Configuration
- Single Channel
- Speed
- 2666 MHz
- Reliability Rating
- Standard
- CAS Latency (CL)
- CL16
- Voltage
- 1.2V
- ECC Support
- No
- Registered/Buffered
- Unbuffered
- XMP Support
- No
- RGB Lighting
- No
- Heatsink / Heatspreader
- Yes
- Intel Platform Support
- Intel 10th Gen
- AMD Platform Support
- AMD Ryzen 3000
- Use Case
- Gaming / Workstation / Server
- Product Name
- MEM-CF-4GB
- Height
- 1.2 inches
- Width
- 5.3 inches
- Depth
- 0.4 inches
- Weight
- 0.2 lbs
MEM-CF-4GB Use Case
Enterprise IOS Upgrade Acceleration with MEM-CF-4GB-Cisco Memory
In a global data center deployment, network engineers preload multiple Cisco IOS images onto MEM-CF-4GB cards installed in Catalyst 9000 switches to streamline staged upgrades. By hosting redundant firmware on high-endurance flash, the IT team reduces upgrade windows by up to 60%, minimizes service interruptions, and ensures rapid rollback in case of compatibility issues.
Branch Office Resilience: VPN and Routing Stability Using MEM-CF-4GB-Cisco Memory
A regional branch office running Cisco ISR routers leverages MEM-CF-4GB to store encrypted VPN configurations, dynamic routing tables, and firmware snapshots locally. This on-device memory expansion delivers sub-second failover during WAN outages, maintains secure site-to-site tunnels without remote pulls, and cuts operational overhead by eliminating emergency configuration restores.
Comprehensive Network Logging and Forensic Storage on MEM-CF-4GB-Cisco Memory
An enterprise security operations center integrates MEM-CF-4GB modules into Cisco ASA firewalls to capture NetFlow records, syslogs, and packet captures directly on compact flash. With 4 GB of dedicated, wear-levelled storage, the team achieves uninterrupted forensic retention for 30+ days, accelerates incident response by 50%, and meets compliance mandates for audit trails.
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Product Comparison Table 
| MEM-CF-4GB |  MEM-CF-512MB |  MEM-CF-2GB | |
|---|---|---|---|
| Product Type | Computer Memory | Computer Memory | Computer Memory |
| Memory Type | DDR4 | DDR4 | DDR4 |
| Capacity | 4 GB | 512 GB | 2 GB |
| Compatible Platforms | Desktop / Laptop / Server | Desktop / Laptop / Server | Desktop |
| Compatible Systems | Workstation | Workstation | Tower Server |
| Form Factor | UDIMM | UDIMM | UDIMM |
| Kit Configuration | Single Channel | Single Channel | Single Channel |
| Speed | 2666 MHz | 3200 MHz | 2400 MHz |
| Reliability Rating | Standard | Standard | Standard |
| CAS Latency (CL) | CL16 | CL16 | CL16 |
| Voltage | 1.2V | 1.2V | 1.35V |
| ECC Support | No | No | No |
| Registered/Buffered | Unbuffered | Unbuffered | Unbuffered |
| XMP Support | No | Intel XMP 2.0 | No |
| RGB Lighting | No | No | No |
| Heatsink / Heatspreader | Yes | Yes | Yes |
| Use Case | Gaming / Workstation / Server | Gaming | Gaming |
| Product Name | MEM-CF-4GB | MEM-CF-512MB | MEM-CF-2GB |
Compliance & Warranty
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
A
Andrew Porter
4
Large flash capacity made IOS management much easier.
N
Nathan Scott
4
Cisco flash delivered fast access and stable operation.
K
Kevin Moore
4
Perfect upgrade for storing multiple IOS images.
L
Luke Reynolds
4
Installed easily and worked immediately.
P
Patrick Wilson
5
Reliable flash memory for enterprise routers.
Questions & Answers
What is Cisco Memory MEM-CF-4GB?
Cisco Memory MEM-CF-4GB is a 4GB CompactFlash module designed for Cisco routers and switches to provide high-speed, reliable storage for system images and configurations.
Which Cisco devices are compatible with MEM-CF-4GB?
MEM-CF-4GB is compatible with Cisco ISR 4000 Series, Catalyst 3560-X/3750-X, ASR routers, and other models that accept CompactFlash Type I media.
What type of memory technology does MEM-CF-4GB use?
MEM-CF-4GB uses industrial-grade NOR flash technology to ensure fast read/write performance and enduring data integrity under heavy network workloads.
What storage capacity does MEM-CF-4GB provide?
MEM-CF-4GB provides 4 gigabytes of onboard storage, enabling ample space for multiple Cisco IOS images, configurations, and logs.
How does MEM-CF-4GB improve router performance?
By hosting IOS images and startup configurations on high-speed flash, MEM-CF-4GB reduces boot times, accelerates firmware upgrades, and minimizes packet forwarding latency.
Is MEM-CF-4GB hot-swappable?
No. MEM-CF-4GB is not hot-swappable; please power down the device before inserting or removing the CompactFlash card to avoid data corruption.
How do I install MEM-CF-4GB in my Cisco device?
Power off the device, insert MEM-CF-4GB into the CompactFlash slot until it clicks, then power the device back on. Verify installation via the IOS ‘show flash’ command.
Does MEM-CF-4GB require formatting before use?
No. MEM-CF-4GB arrives preformatted with FAT32 and is ready for immediate use in supported Cisco hardware.
What is the expected lifespan of MEM-CF-4GB?
MEM-CF-4GB is rated for a minimum of 100,000 program/erase cycles and operates reliably for up to 10 years under normal network conditions.
Does Cisco provide a warranty for MEM-CF-4GB?
Yes. Cisco offers a limited lifetime warranty for MEM-CF-4GB, covering defects in materials and workmanship under standard operating conditions.
How do I verify MEM-CF-4GB health and usage?
Use the IOS command ‘show flash:’ to display capacity, free space, and file integrity. Regularly monitor logs for I/O errors to ensure optimal health.
Can MEM-CF-4GB store multiple IOS images?
Yes. With 4GB capacity, MEM-CF-4GB can store multiple Cisco IOS images, enabling rapid rollback or upgrade paths without external servers.
Are there any environmental operating limits for MEM-CF-4GB?
MEM-CF-4GB operates between –40°C and +85°C and within 5%–95% non-condensing humidity, ensuring reliable performance in varied data-center and field environments.
How does MEM-CF-4GB enhance network security?
By securely storing encrypted configurations and supporting hardware-based write protection, MEM-CF-4GB helps maintain image integrity and prevents unauthorized firmware changes.
Where can I purchase genuine Cisco MEM-CF-4GB?
Genuine Cisco MEM-CF-4GB modules are available through authorized Cisco resellers, the Cisco Commerce Workspace, and the Cisco online store for verified procurement and support.