8Mbps -> Cisco 860VAE 15Mbps -> Cisco 819 15Mbps -> Cisco 880 15Mbps -> Cisco 1921 (1RU) 25Mbps -> Cisco 890 (1RU) 25Mbps -> Cisco 2901 (1RU) 35Mbps -> Cisco 2911 (2RU) 50Mbps -> Cisco 2921 (2RU) 75Mbps -> Cisco 2951 (2RU) 100Mbps -> Cisco 3925 (3RU) 150Mbps -> Cisco 3945 (3RU) 4321 -> 50Mbps -> 100Mbps throughput performance license* 4331 -> 100Mbps -> 300Mbps throughput performance license* 4351 -> 200Mbps -> 400Mbps throughput performance license* 4431 -> 500Mbps -> 1000Mbps throughput performance license* 4451-X -> 1000Mbps -> 2000Mbps throughput performance license* ASR1001-X -> up to 20Gbps (1RU) integrated 2.5Gbps ESP, upgradable via license; Integrated RP 8G RAM, upgradable to 16GB* ASR1002-X -> up to 36Gbps (2RU) integrated 5Gbps ESP, upgradable to 10, 20, or 36Gbps; Integrated RP 4G RAM, upgradable to 8GB or 16GB* ASR1004 -> up to 40Gbps (4RU) ESP10, ESP10-N, ESP20 (all single); ESP40 (single or dual); ASR1000-RP1 4GB RAM, ASR1000-RP2 8GB or 16GB RAM (both single)* ASR1006 -> up to 40Gbps (6RU) ESP10, ESP10-N, ESP20, ESP40, ESP100 (all single or dual); ASR1000-RP1 4GB RAM, ASR1000-RP2 8GB or 16GB RAM (both single)* ASR10013 -> up to 40Gbps (13RU) ESP40, ESP100, ESP200 (all single or dual); ASR1000-RP2 8GB or 16GB RAM (both single) *IOS-XE: platform hardware throughput level XYZ