C2821-4SHDSL/K9 Overview
The Cisco C2821-4SHDSL/K9 is a high-performance networking solution designed for robust and secure connectivity. It features G.SHDSL capabilities for efficient data transmission over existing copper wiring. This product is ideal for both small and medium-sized businesses requiring reliable and scalable network services.
C2821-4SHDSL/K9 Product Highlights
- High-performance routing
- Four-pair G.SHDSL support
- Enhanced security features
- Scalable and reliable
- Versatile connectivity options
Product Features Comparison
| Feature | C2821-4SHDSL/K9 | Cisco 1921 | Juniper SRX300 | HP MSR930 | Fortinet FG-60F | Palo Alto PA-220 | Zyxel USG20-VPN |
|---|---|---|---|---|---|---|---|
| G.SHDSL Support | Yes | No | No | No | No | No | No |
| Routing Performance | High | High | Medium | Medium | High | High | Medium |
| Security Features | Advanced | Standard | Advanced | Standard | Advanced | Advanced | Standard |
| Scalability | High | Medium | High | Medium | Medium | Medium | Medium |
| Memory (Flash/DRAM) | 128MB/512MB | 64MB/256MB | 8GB/4GB | 256MB/128MB | None | None | None |
C2821-4SHDSL/K9 Product Application Scenarios
- Small to medium businesses
- Branch office networking
- Secure and scalable data services
Optional Add-ons
| Model | Description |
|---|---|
| CAB-STACK-3M | Stacking Cable 3 Meter |
| CISCO1921-DC | DC Power Supply |
| CISCO-CONSOLE | Console Cable for console management |

























