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Cisco

Cisco MEM-4400-4GU8G | ISR 4400 DRAM 4→8GB (adds 4GB), 1x 4GB DRAM module; non‑hot‑swappable; for 4431/4451

SKU:MEM-4400-4GU8G

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Description

Increase router memory from 4 GB to 8 GB to support richer IOS XE features, larger routing tables, and concurrent services on ISR 4400 Series platforms. This upgrade adds a 4 GB DRAM module to pair with the existing 4 GB, improving headroom for SD‑WAN, security, and application services. Installation requires a maintenance window and proper ESD handling.

Features

- Boosts total system DRAM to 8 GB for heavier service stacks
- Optimizes performance for SD‑WAN and secure connectivity
- Simple field installation with standard tools
- No software license changes required
- Qualified for ISR 4400 Series platforms

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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Technical Specifications

Technical Specifications

- Capacity upgrade: 4 GB to 8 GB total system DRAM
- Included: 1x 4 GB DRAM module (pairs with existing 4 GB)
- Compatibility: ISR 4400 Series (e.g., 4431/4451)
- Function: Increases memory headroom for SD‑WAN, security, and services
- Installation: Power down required; ESD-safe handling recommended
- Licensing: Not required (hardware memory upgrade)

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