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Henry Wallace
5
Provided a noticeable boost in router stability.
MEM-1900-1GB
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Cisco Memory MEM-1900-1GB
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MEM-1900-1GB
- Description:
- Cisco Memory MEM-1900-1GB
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- Brand:
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- GTIN:
- 98378785452
- Condition:
- Warranty:
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- List Price:
$792.00
- Price:
$264.0066.7% off
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MEM-1900-1GB Overview
MEM-1900-1GB is a 1 GB DDR4 UDIMM memory module operating at 1600 MHz with a CAS latency of CL16 and a voltage of 1.2V. It is an unbuffered, non-ECC single channel kit designed to offer reliable performance for desktops, laptops, and servers without any additional thermal solution or RGB lighting.
MEM-1900-1GB is engineered for general use, making it suitable for a variety of builds such as workstations or entry-level gaming systems where overclocking is not a primary concern. Its compact design and straightforward configuration ensure compatibility and ease of integration across multiple platforms while meeting the essential demands of everyday computing.
MEM-1900-1GB price is $264.00, a 66.7% saving from the Cisco list price of $792.00. MEM-1900-1GB is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for MEM-1900-1GB for additional pricing. Browse the full 1900 Router Memory & Flash series or explore all Cisco products.
MEM-1900-1GB Specifications
- Product Type
- Computer Memory
- Memory Type
- DDR4
- Capacity
- 1 GB
- Compatible Platforms
- Desktop / Laptop / Server
- Compatible Systems
- N/A
- Form Factor
- UDIMM
- Kit Configuration
- Single Channel
- Speed
- 1600 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
- MEM-1900-1GB
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
MEM-1900-1GB Use Case
High-Throughput WAN Routing and QoS Optimization
In a North American ISP network, technicians upgrade Cisco ISR 1900 routers with MEM-1900-1GB-Cisco Memory MEM-1900-1GB to expand packet buffering capacity under peak loads. The result is consistent sub-20 ms latency, zero dropped packets at 1 Gbps throughput, and SLA-grade QoS enforcement for video streaming and cloud services.
Accelerated VPN Performance for Enterprise Branch Offices
A multinational corporation implements MEM-1900-1GB-Cisco Memory MEM-1900-1GB in ISR-1900 series routers at remote sites to scale IPSec tunnels from 50 to 200 sessions. This upgrade cuts VPN login times by 40%, boosts encryption throughput by 25%, and delivers secure, high-speed remote access for 24/7 global operations.
Improved Voice and Video Conferencing Reliability
An international law firm deploys MEM-1900-1GB-Cisco Memory MEM-1900-1GB on their branch Cisco routers to support real-time voice and video over IP. Enhanced memory reduces jitter by 60%, virtually eliminates packet loss during multi-party calls, and guarantees crystal-clear conferencing for critical client meetings.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| MEM-1900-1GB |  MEM-1900-1GB= |  MEM-1900-512U1.5GB |  MEM-1900-512MB |  MEM-1900-2GB | |
|---|---|---|---|---|---|
| Product Type | Computer Memory | Computer Memory | Computer Memory | Computer Memory | Computer Memory |
| Memory Type | DDR4 | DDR4 | DDR4 | DDR4 | DDR4 |
| Capacity | 1 GB | 1GB | 512 GB | 512 GB | 2 GB |
| Compatible Platforms | Desktop / Laptop / Server | Desktop / Laptop / Server | Desktop | Desktop / Laptop / Server | Desktop / Laptop / Server |
| Compatible Systems | N/A | N/A | N/A | Workstation | Workstation |
| Form Factor | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Kit Configuration | Single Channel | Single Channel | Single Channel | Single Channel | Single Channel |
| Speed | 1600 MHz | 1600 MHz | 3200 MHz | 2133 MHz | 2133 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 | CL15 | CL15 |
| Voltage | 1.2V | 1.2V | 1.5V | 1.2V | 1.35V |
| ECC Support | No | No | No | No | No |
| Registered/Buffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered |
| XMP Support | No | No | No | Intel XMP 2.0 | No |
| RGB Lighting | No | No | No | No | No |
| Heatsink / Heatspreader | No | Yes | Yes | Yes | Yes |
| Intel Platform Support | N/A | N/A | N/A | Intel 12th Gen | Intel 10th Gen |
| AMD Platform Support | N/A | N/A | N/A | AMD Ryzen 5000 | AMD Ryzen 3000 |
| Use Case | General Use | General Use | Gaming | Gaming | Gaming / Workstation / Server |
| Product Name | MEM-1900-1GB | MEM-1900-1GB= | MEM-1900-512U1.5GB | MEM-1900-512MB | MEM-1900-2GB |
| Height | N/A | 1.4 inches | N/A | 1.4 inches | 1.18 inches |
| Width | N/A | 5 inches | N/A | 5.3 inches | 5.25 inches |
| Depth | N/A | 0.5 inches | N/A | 0.3 inches | 0.12 inches |
| Weight | N/A | 0.15 lbs | N/A | 0.3 lbs | 0.1 lbs |
Reviews & Ratings
S
Scott Newman
5
Cisco certified DRAM integrated seamlessly.
J
Jason Coleman
5
Good upgrade for everyday routing tasks.
P
Philip Turner
5
Stable performance under continuous load.
A
Adam Fitzgerald
4
Dependable memory replacement.
Questions & Answers
What is Cisco Memory MEM-1900-1GB?
Cisco Memory MEM-1900-1GB is a 1 GB DDR2 DRAM module designed to expand memory capacity and improve performance in supported Cisco routing and switching platforms.
Which Cisco devices are compatible with MEM-1900-1GB?
MEM-1900-1GB is fully compatible with Cisco 1900 Series Integrated Services Routers (ISR), select Catalyst switches, and other legacy platforms that support DDR2 SODIMM modules.
What are the key specifications of MEM-1900-1GB?
Key specifications include: • Capacity: 1 GB DDR2 DRAM • Form Factor: 200-pin SODIMM • Speed: PC2-3200 (400 MHz) • Voltage: 1.8 V • Error Checking: Non-ECC
How do I install the MEM-1900-1GB module?
To install MEM-1900-1GB, power off your device, open the memory compartment, align the module notch with the socket, insert at a 45° angle, press down until it clicks, then close the compartment and reboot.
What performance improvements can I expect?
Upgrading to 1 GB of memory enhances multitasking, speeds up routing table processing, improves encryption throughput, and reduces latency under heavy load.
Is MEM-1900-1GB ECC or non-ECC memory?
MEM-1900-1GB is non-ECC DDR2 memory optimized for Cisco platforms that do not require error-correcting capability.
How does MEM-1900-1GB affect system reliability?
By expanding available RAM, MEM-1900-1GB prevents memory exhaustion, reduces swapping, and maintains stable operation during peak usage.
What is the operating temperature range for MEM-1900-1GB?
The module operates reliably between 0 °C and 85 °C (32 °F to 185 °F), meeting industrial-grade specifications for network environments.
Does MEM-1900-1GB come with a warranty?
Yes, Cisco provides a limited lifetime warranty covering defects in materials and workmanship for MEM-1900-1GB under normal use.
How can I verify the authenticity of Cisco MEM-1900-1GB?
Check the Cisco holographic label, match the SKU and serial number with Cisco’s online warranty tool, and purchase through authorized Cisco partners.
Where can I buy Cisco MEM-1900-1GB?
You can purchase MEM-1900-1GB from Cisco’s official website, authorized resellers, and certified distribution partners worldwide.
What maintenance tips are recommended for MEM-1900-1GB?
Keep contacts clean, handle the module by its edges, avoid electrostatic discharge, and ensure proper airflow around installed memory.
Are firmware updates required for MEM-1900-1GB?
No specific firmware update is required; just ensure your device OS image supports 1 GB memory and reboot after installation.
What is the return policy for MEM-1900-1GB?
Authorized Cisco partners typically offer a 30-day return window for unused, undamaged modules—verify exact terms at point of sale.
How do I troubleshoot installation issues with MEM-1900-1GB?
Verify seating alignment, confirm socket compatibility, check BIOS/IOS memory detection, and consult Cisco’s troubleshooting guide if memory is not recognized.
Can MEM-1900-1GB be used in virtualized environments?
Yes, installing MEM-1900-1GB increases physical memory available for virtual network functions (VNFs) on Cisco platforms that support virtualization.