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MEM-2900-1GB=

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1 GB DRAM (1 DIMM) for Cisco 2901, 2911, 2921 ISR, Spare
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MEM-2900-1GB=

1 GB DRAM (1 DIMM) for Cisco 2901, 2911, 2921 ISR,...

$575.00

$210.00

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$210.00

63% off

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MEM-2900-1GB= Use Case

Branch Office Throughput Optimization with 1 GB DRAM Upgrade

In a mid-sized enterprise branch using Cisco 2901, 2911 or 2921 ISR routers to run VoIP, site-to-site VPN and cloud backup, installing the MEM-2900-1GB 1 GB DRAM DIMM elevates memory capacity for high-concurrency traffic. Benefit: eliminates memory bottlenecks, sustains consistent packet forwarding, and ensures uninterrupted voice and data services under peak loads.

High-Definition Video Conferencing at Remote Sites

A distributed manufacturing plant relies on Cisco 2911 ISR routers to host real-time HD video inspections across multiple production lines. By adding the MEM-2900-1GB DIMM, the router allocates extra buffer memory for video streams and encryption tasks. Benefit: reduces latency and jitter, delivers flawless video quality, and maintains secure, high-bandwidth connectivity for remote collaboration.

Scalable IPsec VPN Termination for Corporate Edge

A corporate data center aggregates 50+ branch site IPsec tunnels on Cisco 2921 ISR hardware running advanced security policies. Integrating the MEM-2900-1GB 1 GB DRAM spare module expands memory for session tables, encryption buffers, and deep-packet inspection. Benefit: supports higher concurrent VPN sessions, accelerates crypto performance, and fortifies perimeter security with zero performance trade-offs.

Product Comparison Table

1 GB DRAM (1 DIMM) for Cisco 2901, 2911, 2921 ISR, Spare
MEM-2900-1GB=

512MB to 2.5GB DRAM Upgrade (2GB+512MB) for Cisco 2951 ISR
MEM-2951-512U2.5GB

512MB to 2.5GB DRAM Upgrade (2GB+512MB) for Cisco 2901-2921
MEM-2900-512U2.5GB

512MB to 2GB DRAM Upgrade (1 2GB DIMM) for Cisco 2951 ISR
MEM-2951-512U2GB

UPG 1.5GB FROM 512MB DRAM 1GB+512MB FOR 2951 ISR
MEM-2951-512U1.5GB

AMD Platform Support N/A AMD Ryzen 5000 AMD EPYC AMD Ryzen 5000 AMD Ryzen 5000
Capacity 1 GB 512 GB 512 GB 512 GB 512 GB
CAS Latency (CL) CL11 CL16 CL16 CL16 CL16
Compatible Platforms Desktop Desktop Desktop / Server Desktop Desktop / Laptop / Server
Compatible Systems N/A N/A Rack Server Workstation Workstation
Depth 0.2 inches 0.6 inches 0.3 inches 0.5 inches 0.5 inches
ECC Support No No No No No
Form Factor UDIMM UDIMM UDIMM UDIMM UDIMM
Heatsink / Heatspreader Yes Yes Yes Yes Yes
Height 1.2 inches 1.2 inches 1.2 inches 1.2 inches 1.4 inches
Intel Platform Support N/A Intel 12th Gen Intel Xeon Scalable Intel 12th Gen Intel 13th Gen
Kit Configuration Single Channel Single Channel Single Channel Dual Channel Single Channel
Memory Type DDR3 DDR4 DDR4 DDR4 DDR4
Operating Temperature N/A N/A N/A N/A N/A
Product Name MEM-2900-1GB= MEM-2951-512U2.5GB MEM-2900-512U2.5GB MEM-2951-512U2GB MEM-2951-512U1.5GB Memory Module
Product Type Computer Memory Computer Memory Computer Memory Computer Memory Computer Memory
Registered/Buffered Unbuffered Unbuffered Unbuffered Unbuffered Unbuffered
Reliability Rating Standard Standard Standard Standard Standard
RGB Lighting No No No No No
Speed 1600 MHz 3200 MHz 3200 MHz 3200 MHz 3200 MHz
Use Case General Use Gaming Server Gaming Gaming / Workstation / Server
Voltage 1.5V 1.35V 1.35V 1.35V 1.35V
Weight 0.15 lbs 0.2 lbs 0.5 lbs 0.3 lbs 0.3 lbs
Width 5.3 inches 5.3 inches 5.3 inches 5.0 inches 5.3 inches
XMP Support No Intel XMP 2.0 No Intel XMP 2.0 Intel XMP 2.0

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