$5,000,000+
Inventory Delivered By
Name:
In stock - Ready to Ship
$803.00
$330.0058.9% off
Quantity:
Business price:
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Shipping:
Payment:
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Shipping:
Payment:
MEM-1900-2GB
Cisco Memory MEM-1900-2GB
TRUSTED, TRIED, PROVEN
Inventory Delivered By
& Verified By
Solutions Powered By
MEM-1900-2GB is a DDR4 UDIMM module clocked at 2133 MHz with a CAS latency of CL15 and an operating voltage of 1.35V. This 2 GB memory module comes in a single-channel kit configuration, is non-ECC and unbuffered, and features a heatspreader for improved thermal performance. It is engineered for broad compatibility across desktop, server, and laptop platforms, making it a versatile choice for various builds.
MEM-1900-2GB is ideally suited for gaming, workstation, and server applications where stable and responsive performance is essential. With its streamlined design and reliable DDR4 technology, this module delivers optimized performance for everyday computing needs and enhances system efficiency without any RGB lighting distractions.
MEM-1900-2GB price is $330.00, a 58.9% saving from the Cisco list price of $803.00. MEM-1900-2GB is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for MEM-1900-2GB for additional pricing. Browse the full 1900 Router Memory & Flash series or explore all Cisco products.
Scenario: In a high-traffic data center core handling 5,000+ BGP routes and multiple VRFs on a Cisco 1900 series router, memory constraints cause slow convergence and packet drops under peak load. By installing MEM-1900-2GB-Cisco Memory MEM-1900-2GB, engineers eliminate RAM bottlenecks and accelerate route processing. Outcome: Convergence times shrink by 40%, packet loss is eliminated under full load, and 99.999% uptime is maintained for mission-critical services.
Scenario: A global enterprise branch office supports 200+ concurrent IPsec VPN tunnels on a Cisco 1900 series router, facing session drops and authentication delays during peak login. Upgrading with MEM-1900-2GB-Cisco Memory MEM-1900-2GB expands crypto buffer capacity and stabilizes memory allocation. Outcome: VPN tunnel establishment accelerates by 30%, session drops are eliminated, and secure remote access remains uninterrupted even at maximum concurrency.
Scenario: An enterprise headquarters routes voice, video and data traffic—managing QoS policies for 1,000 simultaneous VoIP calls—through a Cisco 1900 series router experiencing jitter and call drops under heavy utilization. Deploying MEM-1900-2GB-Cisco Memory MEM-1900-2GB adds critical RAM for call tables and QoS buffers. Outcome: Achieves crystal-clear voice quality with less than 1% packet loss, reduces jitter by 25%, and delivers seamless collaboration for hundreds of concurrent users.
To get the detailed certification, please go to the Compliance Center.
| Product Type | Computer Memory | Computer Memory | Computer Memory | Computer Memory | Computer Memory |
| Memory Type | DDR4 | DDR4 | DDR4 | DDR4 | DDR4 |
| Capacity | 2 GB | 512 GB | 512 GB | 512 GB | 1GB |
| Compatible Platforms | Desktop / Laptop / Server | Desktop | Desktop | Desktop / Laptop / Server | Desktop / Laptop / Server |
| Compatible Systems | Workstation | N/A | Workstation | Workstation | N/A |
| Form Factor | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Kit Configuration | Single Channel | Single Channel | Single Channel | Single Channel | Single Channel |
| Speed | 2133 MHz | 3200 MHz | 1900 MHz | 2133 MHz | 1600 MHz |
| Operating Temperature | N/A | N/A | N/A | N/A | N/A |
| Reliability Rating | Standard | Standard | Standard | Standard | Standard |
| CAS Latency (CL) | CL15 | CL16 | CL16 | CL15 | CL16 |
| Voltage | 1.35V | 1.5V | 1.35V | 1.2V | 1.2V |
| 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 | Yes | Yes | Yes | Yes | Yes |
| Intel Platform Support | Intel 10th Gen | N/A | Intel 10th Gen | Intel 12th Gen | N/A |
| AMD Platform Support | AMD Ryzen 3000 | N/A | AMD Ryzen 3000 | AMD Ryzen 5000 | N/A |
| Use Case | Gaming / Workstation / Server | Gaming | Workstation | Gaming | General Use |
| Product Name | MEM-1900-2GB | MEM-1900-512U1.5GB | MEM-1900-512U1GB | MEM-1900-512MB | MEM-1900-1GB= |
| Height | 1.18 inches | N/A | 1.2 inches | 1.4 inches | 1.4 inches |
| Width | 5.25 inches | N/A | 5.3 inches | 5.3 inches | 5 inches |
| Depth | 0.12 inches | N/A | 0.6 inches | 0.3 inches | 0.5 inches |
| Weight | 0.1 lbs | N/A | 0.25 lbs | 0.3 lbs | 0.15 lbs |
Higher DRAM capacity handled heavier workloads smoothly.
Cisco memory ensured stable multitasking.
Upgrade was straightforward and effective.
Improved overall router performance.
Reliable memory for demanding ISR deployments.
Cisco Memory MEM-1900-2GB is a 2GB DDR2 SDRAM module specifically engineered to expand the memory capacity of Cisco 1900 series routers, enhancing overall network performance and reliability.
The MEM-1900-2GB features 2GB capacity, DDR2 SDRAM technology, PC2-6400/DDR2-800 speed, 240-pin form factor, and JEDEC compliance for seamless integration with Cisco equipment.
MEM-1900-2GB is compatible with Cisco 1900 series routers, including models 1921 and 1941, as well as related ISR platforms that support DDR2 memory upgrades.
Power down your Cisco device, remove the chassis cover, locate the DDR2 DIMM slot, align and firmly insert the MEM-1900-2GB module until locked, replace the cover, and power on the device.