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MEM-1900-2GB

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Cisco Memory MEM-1900-2GB
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MEM-1900-2GB

Cisco Memory MEM-1900-2GB

$803.00 $330.0058.9% off

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MEM-1900-2GB Overview

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.

MEM-1900-2GB Specifications

Product Type
Computer Memory
Memory Type
DDR4
Capacity
2 GB
Compatible Platforms
Desktop / Laptop / Server
Compatible Systems
Workstation
Form Factor
UDIMM
Kit Configuration
Single Channel
Speed
2133 MHz
Operating Temperature
N/A
Reliability Rating
Standard
CAS Latency (CL)
CL15
Voltage
1.35V
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-1900-2GB
Height
1.18 inches
Width
5.25 inches
Depth
0.12 inches
Weight
0.1 lbs

MEM-1900-2GB Use Case

Scalable Data Center Routing Enhancement

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.

Branch Office Secure VPN Scaling

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.

Unified Communications and VoIP Capacity Expansion

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.

Quality Certifications

To get the detailed certification, please go to the Compliance Center.

ISO 14001 Certified - UCCISO 9001 Certified - UCCRoHS CompliantREACH CompliantFCC CertifiedCE Mark - European ConformityVCI CertifiedUKCA Mark - UK Conformity Assessed

Product Comparison Table

Cisco Memory MEM-1900-2GBMEM-1900-2GBUPG 1.5GB FROM 512MB DRAM FOR CISCO1941 ISRMEM-1900-512U1.5GBUPG 512MB TO 1GB DRAM 512MB+512MB FOR CISCO 1941 ISRMEM-1900-512U1GBCisco Memory MEM-1900-512MBMEM-1900-512MB1GB DRAM 1 DIMM FOR CISCO 1941/ 1941W ISR SPAREMEM-1900-1GB=
Product TypeComputer MemoryComputer MemoryComputer MemoryComputer MemoryComputer Memory
Memory TypeDDR4DDR4DDR4DDR4DDR4
Capacity2 GB512 GB512 GB512 GB1GB
Compatible PlatformsDesktop / Laptop / ServerDesktopDesktopDesktop / Laptop / ServerDesktop / Laptop / Server
Compatible SystemsWorkstationN/AWorkstationWorkstationN/A
Form FactorUDIMMUDIMMUDIMMUDIMMUDIMM
Kit ConfigurationSingle ChannelSingle ChannelSingle ChannelSingle ChannelSingle Channel
Speed2133 MHz3200 MHz1900 MHz2133 MHz1600 MHz
Operating TemperatureN/AN/AN/AN/AN/A
Reliability RatingStandardStandardStandardStandardStandard
CAS Latency (CL)CL15CL16CL16CL15CL16
Voltage1.35V1.5V1.35V1.2V1.2V
ECC SupportNoNoNoNoNo
Registered/BufferedUnbufferedUnbufferedUnbufferedUnbufferedUnbuffered
XMP SupportNoNoNoIntel XMP 2.0No
RGB LightingNoNoNoNoNo
Heatsink / HeatspreaderYesYesYesYesYes
Intel Platform SupportIntel 10th GenN/AIntel 10th GenIntel 12th GenN/A
AMD Platform SupportAMD Ryzen 3000N/AAMD Ryzen 3000AMD Ryzen 5000N/A
Use CaseGaming / Workstation / ServerGamingWorkstationGamingGeneral Use
Product NameMEM-1900-2GBMEM-1900-512U1.5GBMEM-1900-512U1GBMEM-1900-512MBMEM-1900-1GB=
Height1.18 inchesN/A1.2 inches1.4 inches1.4 inches
Width5.25 inchesN/A5.3 inches5.3 inches5 inches
Depth0.12 inchesN/A0.6 inches0.3 inches0.5 inches
Weight0.1 lbsN/A0.25 lbs0.3 lbs0.15 lbs

Reviews & Ratings

N
Neil Anderson
5

Higher DRAM capacity handled heavier workloads smoothly.

C
Colin Mercer
4

Cisco memory ensured stable multitasking.

B
Bradley Evans
5

Upgrade was straightforward and effective.

R
Ross Cunningham
3

Improved overall router performance.

T
Timothy Rhodes
4

Reliable memory for demanding ISR deployments.

Questions & Answers

What is Cisco Memory MEM-1900-2GB?

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.

What are the key specifications of MEM-1900-2GB?

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.

Which Cisco devices are compatible with MEM-1900-2GB?

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.

How do I install MEM-1900-2GB in my Cisco device?

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.