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Cisco

Cisco MEM-CF-256U4GB | 4GB CompactFlash | ISR 1900/2900/3900 (ISR G2) | Bootflash/storage upgrade

SKU:MEM-CF-256U4GB

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Description

CompactFlash upgrade for ISR G2 platforms, providing 4GB bootflash/storage for IOS images, logs, and packages. Designed to replace lower-capacity CF (e.g., 256MB) in 1900/2900/3900 series routers.

Features

- Increases bootflash capacity for larger IOS images
- Supports multiple images and crashinfo/log storage
- Straightforward replacement of lower-capacity CF
- Optimized for ISR G2 branch routers

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: 4 GB
- Media type: CompactFlash (CF)
- Device compatibility: ISR G2 1900, 2900, 3900 series
- Use case: Bootflash and external storage for IOS, configs, logs
- Intended as: Upgrade from lower-capacity CF (e.g., 256MB)
- Installation: Hot-plug not recommended; schedule maintenance window

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