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Cisco

Cisco MEM-1900-512U1-5GB | DRAM upgrade to 1.5GB (adds 1GB SODIMM + 512MB onboard) | for ISR 1941 | DDR2 SODIMM

SKU:MEM-1900-512U1-5GB

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Description

Boost ISR 1941 total DRAM from 512MB to 1.5GB by installing a 1GB DDR2 SODIMM in the router’s single memory slot, working alongside the onboard 512MB. This balanced upgrade adds resource headroom for routing protocols, small-to-medium VPN deployments, and security features without reaching the platform’s top capacity. Power down the router and follow ESD precautions during installation.

Features

- Cost-effective performance uplift for ISR 1941
- Supports additional services without hitting max capacity
- Quick field upgrade via the single memory slot
- Enhances stability under increased routing and VPN workloads
- Auto-detection at boot; no licensing changes needed

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: Is 1.5GB sufficient for typical branch routing with VPN?
A: Yes, it suits common branch use-cases with moderate tunnels and policies.

Q: Can I later upgrade to 2.5GB?
A: Yes. Replace the 1GB SODIMM with a 2GB SODIMM to reach 2.5GB total.

Q: Do I need to change boot settings?
A: No changes are required; memory is detected automatically.

Q: Is 1941W supported?
A: Yes, the same memory configuration applies to 1941W.

Q: Is the module ECC?
A: The platform uses DDR2 SODIMM; use compatible, supported modules for the ISR 1941.

Technical Specifications

- Platform compatibility: ISR 1941 (ISR G2 1900 Series)
- Upgrade path: 512MB to 1.5GB total DRAM
- Included: 1x 1GB DDR2 SODIMM (occupies the single slot)
- Architecture: 1GB SODIMM + 512MB onboard = 1.5GB total
- Form factor: DDR2 SODIMM (200‑pin class)
- Installation: power-off required; ESD handling recommended

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