The Cisco ASR 1004 router in a 4-rack unit (RU) form factor supports up to 8 shared port adapters (SPAs) and comes with one route processor and one embedded services processor slot. This provides flexibility for future upgrades, enhancing control plane and data plane scalability. The Cisco ASR 1004 router provides 10 Gbps throughput support, making it a very cost-effective edge solution.