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MEM-2900-512U1.5GB

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UPG 512MB TO 1.5GB DRAM 1GB+512MB FOR CISCO 2901-2921
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MEM-2900-512U1.5GB

UPG 512MB TO 1.5GB DRAM 1GB+512MB FOR CISCO 2901-2...

$600.00

$314.00

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$314.00

48% off

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MEM-2900-512U1.5GB Use Case

High-Speed IPsec VPN Acceleration for Remote Branches

By installing the MEM-2900-512U1.5GB-UPG on Cisco 2901-2921 routers at distributed sites, IT teams expand DRAM to 1.5 GB, sustaining high-performance IPsec and SSL VPN tunnels under heavy concurrency. Organizations benefit from up to 50% faster encrypted throughput, reduced latency, and consistent remote access stability—boosting productivity and securing critical business data.

Scalable Unified Communications for Mid-Sized Enterprises

Equipping Cisco 2901 routers with the MEM-2900-512U1.5GB-UPG empowers UC Manager Express deployments to support larger call volumes, advanced voicemail and conferencing features. The memory upgrade delivers a 60% capacity increase in active endpoints, superior call quality under peak load, and simplified administration—enabling seamless collaboration and a future-proof communications platform.

Enhanced Firewall and Intrusion Prevention Capacity

Upgrading to 1.5 GB DRAM via MEM-2900-512U1.5GB-UPG on Cisco ISR 2901-2921 routers unlocks full Zone-Based Firewall, IPS and Application Visibility & Control capabilities without memory constraints. Security teams can deploy larger ACL sets, deeper packet inspections, and real-time threat feeds, resulting in robust perimeter defense, compliance readiness, and up to 40% improved threat-handling throughput.

Product Comparison Table

512MB DRAM (1 DIMM) for Cisco 2901, 2911, 2921 ISR, Spare
MEM-2900-512MB=

UPG 512MB TO 1.5GB DRAM 1GB+512MB FOR CISCO 2901-2921
MEM-2900-512U1.5GB

UPG 1GB KIT 2X512MB FROM 512MB DRAM FOR CISCO 2901-2921
MEM-2900-512U1GB

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

512MB to 1GB DRAM Upgrade (1 1GB DIMM) for Cisco 2951 ISR
MEM-2951-512U1GB

AMD Platform Support AMD Ryzen 5000 N/A N/A AMD Ryzen 5000 AMD Ryzen 5000
Capacity 512 MB 1.5GB 512 GB 512 GB 512 GB
CAS Latency (CL) CL16 CL11 CL16 CL16 CL16
Compatible Platforms Desktop / Server Desktop Desktop / Server Desktop / Laptop / Server Desktop / Laptop / Server
Compatible Systems Tower Server / Workstation N/A N/A Workstation Rack Server / Tower Server / Blade Server / Workstation / N/A
Depth 0.5 inches 0.5 inches N/A 0.5 inches 0.36 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 1.5 inches N/A 1.4 inches 1.18 inches
Intel Platform Support Intel 13th Gen N/A N/A Intel 13th Gen Intel 13th Gen
Kit Configuration Single Channel Single Channel Single Channel Single Channel Single Channel
Memory Type DDR4 DDR3 DDR4 DDR4 DDR4
Operating Temperature N/A 0°C to 85°C N/A N/A N/A
Product Name MEM-2900-512MB= MEM-2900-512U1.5GB MEM-2900-512U1GB MEM-2951-512U1.5GB Memory Module MEM-2951-512U1GB
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 2933 MHz 1600 MHz 2900 MHz 3200 MHz 3200 MHz
Use Case Workstation General Use Workstation Gaming / Workstation / Server Server
Voltage 1.2V 1.5V 1.35V 1.35V 1.35V
Weight 0.2 lbs 0.45 lbs N/A 0.3 lbs 0.3 lbs
Width 5.3 inches 5.3 inches N/A 5.3 inches 5.25 inches
XMP Support Intel XMP 2.0 No No Intel XMP 2.0 No

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