United States$5,000,000+
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C
Carlos Bennett
5
4G DRAM upgrade improved system stability significantly.
MEM-4400-4G
4G DRAM (2G+2G) for Cisco ISR 4400
FEATURED DEAL
Name:
MEM-4400-4G
- Description:
- 4G DRAM (2G+2G) for Cisco ISR 4400
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 5041333160929
- Condition:
- Warranty:
- 3
- List Price:
$1,386.00
- Price:
$727.0047.5% off
Quantity:
1
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MEM-4400-4G Overview
MEM-4400-4G is a 4 GB DDR4 UDIMM module engineered for high-performance desktop and server builds with a rated speed of 4000 MHz and a CAS latency of CL16. Operating at 1.35V, this single-channel kit provides precise, reliable memory performance without ECC and is unbuffered to match the demands of gaming and professional workstation environments.
MEM-4400-4G is designed with a robust heatspreader for efficient thermal management while maintaining a non-RGB aesthetic. Its compatibility with desktops, laptops, and servers, along with support for Intel 10th Gen and AMD Ryzen 3000 platforms, makes it an ideal choice for competitive gaming and productivity-driven builds.
MEM-4400-4G price is $727.00, a 47.5% saving from the Cisco list price of $1,386.00. MEM-4400-4G is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for MEM-4400-4G for additional pricing. Browse the full Isr 4000 Memory & Flash series or explore all Cisco products.
MEM-4400-4G Specifications
- Height
- 1.2 inches
- Weight
- 0.1 lbs
- Depth
- 0.5 inches
- Width
- 3.0 inches
- Operating Temperature
- N/A
- Product Type
- Computer Memory
- Memory Type
- DDR4
- Compatible Platforms
- Desktop / Laptop / Server
- Compatible Systems
- Workstation
- Form Factor
- UDIMM
- 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
- Use Case
- Gaming
- Kit Configuration
- Single Channel
- Intel Platform Support
- Intel 10th Gen
- AMD Platform Support
- AMD Ryzen 3000
- Capacity
- 4 GB
- Speed
- 4000 MHz
- Product Name
- MEM-4400-4G
MEM-4400-4G Use Case
High-Performance SD-WAN Encryption with MEM-4400-4G-4G DRAM on Cisco ISR 4400
In a multi-site enterprise deploying Cisco ISR 4400 routers for secure SD-WAN, upgrading to MEM-4400-4G-4G DRAM (2G+2G) delivers sustained 300+ Mbps IPsec throughput across 50+ tunnels. This memory boost ensures low latency, scalable encryption capacity, and reliable branch-office connectivity for real-time business apps.
Optimized Video Conferencing and VoIP on Cisco ISR 4400 with 4G DRAM
Regional offices running concurrent HD video conferences and VoIP services on Cisco ISR 4400 leverage MEM-4400-4G-4G DRAM to support up to 30 simultaneous streams with sub-20 ms jitter. Enhanced DRAM capacity guarantees prioritized QoS, crystal-clear collaboration, and seamless user experience during peak usage.
Scalable Edge Computing and IoT Data Processing with Enhanced DRAM
Manufacturing and retail edge sites using Cisco ISR 4400 for IoT telemetry, security, and on-device analytics employ MEM-4400-4G-4G DRAM (2G+2G) to host multiple virtualized network functions—firewall, VPN, container apps. The 4 GB DRAM upgrade delivers real-time data processing, reduced cloud latency, and scalable edge compute performance.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 MEM-4400-4G |  MEM-4460-16G |  MEM-FLSH-8GU16G |  MEM-FLASH-32G |  MEM-4400-DP-2G | |
|---|---|---|---|---|---|
| Product Type | Computer Memory | Computer Memory | Computer Memory | Computer Memory | Computer Memory |
| Memory Type | DDR4 | DDR4 | DDR4 | DDR4 | DDR4 |
| Capacity | 4 GB | 16 GB | 8 GB | 32 GB | 8 GB |
| Compatible Platforms | Desktop / Laptop / Server | Desktop | Desktop | Desktop / Laptop / Server | Desktop / Laptop / Server |
| Compatible Systems | Workstation | Workstation | Workstation | Workstation | Workstation |
| Form Factor | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Kit Configuration | Single Channel | Single Channel | Single Channel | Dual Channel | Dual Channel |
| Speed | 4000 MHz | 3200 MHz | 3200 MHz | 3200 MHz | 4000 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 | 1.35V | 1.35V | 1.35V |
| ECC Support | No | No | No | No | No |
| Registered/Buffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered |
| XMP Support | Intel XMP 2.0 | Intel XMP 2.0 | 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 | Intel 12th Gen | N/A | Intel 13th Gen | Intel 12th Gen |
| AMD Platform Support | AMD Ryzen 3000 | AMD Ryzen 5000 | N/A | AMD Ryzen 5000 | AMD Ryzen 5000 |
| Use Case | Gaming | Gaming / Workstation | Gaming | Gaming | Gaming / Workstation |
| Product Name | MEM-4400-4G | MEM-4460-16G | MEM-FLSH-8GU16G | MEM-FLASH-32G | MEM-4400-DP-2G |
| Height | 1.2 inches | 1.2 inches | N/A | 1.2 inches | 1.18 inches |
| Width | 3.0 inches | 5.3 inches | N/A | 5.3 inches | 5.25 inches |
| Depth | 0.5 inches | 0.5 inches | N/A | 0.5 inches | 0.125 inches |
| Weight | 0.1 lbs | 0.2 lbs | N/A | 0.3 lbs | 0.25 lbs |
Reviews & Ratings
V
Victor Hughes
4
Cisco memory integrated smoothly into ISR 4400.
D
Daniel Prescott
5
Handled additional services without performance drops.
A
Anthony Miller
3
Reliable memory upgrade for branch routers.
R
Robert Sinclair
4
Good balance of capacity and cost.
Questions & Answers
What is the MEM-4400-4G module?
The MEM-4400-4G is a certified 4 GB DRAM kit (2 × 2 GB) designed specifically for Cisco ISR 4400 Series routers to boost memory capacity and performance.
Is MEM-4400-4G compatible with all Cisco ISR 4400 models?
Yes. MEM-4400-4G is fully compatible with Cisco ISR 4451, 4431, 4351, and 4331 routers when installed in approved memory expansion slots.
How do I install the MEM-4400-4G DRAM kit?
Power down the router, remove the cover, insert each 2 GB DIMM into the designated ISR 4400 memory slots, then secure and reboot to auto-detect the new memory.
Does MEM-4400-4G support ECC (Error-Correcting Code)?
Yes. The MEM-4400-4G module features full ECC support to detect and correct single-bit memory errors for maximum data integrity.