Used Cisco 7200 Series Processors 

About the Cisco 7200 Series: "Four to six slot routers. Features include support for up to 8,000 concurrent sessions, multi-protocol support, and voice/video/data integration" (Cisco A Beginner's Guide Third Edition by Velte & Velte).

Part # NPE-200

Product Description: Network Processing Engine...

Part # NPE-225 In Stock!!!

Product Description: Network...

Part # NPE-300

Product Description: 7200VXR NPE-300 w/32MB...

Part # NPE-300-AP

Product Description: 7200VXR NPE-300 w/32MB...

Part # NPE-400

Product Description: 7200VXR NPE-400 (128MB...

Part # NPE-400-BUN

Product Description: 7200VXR NPE-400 (128MB...

Part # NSE-1

Product Description: 7200VXR Network Services...

Part # NPE-G1

Product Description: 7200 Network Processing ...

Part # NPE-G2

Product Description: 7200 Series NPE-G2 Engine...

Cisco 7200 Series Routers
Cisco 7200 Series Processors
Cisco 7200 Series Input/Output Controllers 
Cisco 7200 Series Memory
Cisco 7200 Series Port Adapters
Cisco 7200 Series Power Supplies and Cables
Cisco 7200 Spares and Accessories
Cisco 7200 Series Bundles
Cisco Routers - Part Numbers Listed Alphabetically