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Cisco

Cisco MEM-1900-512U1GB | DRAM upgrade to 1GB (adds 512MB SODIMM + 512MB onboard) | for ISR 1941 | DDR2 SODIMM

SKU:MEM-1900-512U1GB

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Description

Upgrade ISR 1941 total DRAM from 512MB to 1GB by adding a 512MB DDR2 SODIMM to the router’s memory slot, working with the onboard 512MB. This entry-level upgrade increases available memory for basic routing, monitoring, and light VPN/security features. Power down the router before installation and observe ESD best practices.

Features

- Entry-level memory expansion for ISR 1941
- Simple installation using the single accessible SODIMM slot
- Improves responsiveness for light VPN and security services
- No licensing or configuration changes required
- Scalable path to 1.5GB or 2.5GB in the future

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 1GB enough for basic branch routing?
A: Yes, 1GB supports basic routing with light VPN and security features.

Q: Can I later upgrade to 1.5GB or 2.5GB?
A: Yes. Replace the 512MB SODIMM with 1GB or 2GB to increase capacity.

Q: Do I need any software changes after upgrade?
A: No. The ISR 1941 auto-detects memory at boot.

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

Q: Do I need special tools to install?
A: A screwdriver and ESD protection are recommended; follow the hardware guide.

Technical Specifications

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

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