support the highest number of tunnels?

Can you tell me which one of the following platforms has the highest IPSec throughput and can
support the highest number of tunnels?

A.
Cisco 6500/7600 + VPN SPA

B.
Cisco ASR 1000-5G

C.
Cisco 7200 NPE-GE+VSA

D.
Cisco 7200 NPE-GE+VAM2+