Cisco 7700 VS 7000 Nexus switch

7700 is the advance version of 7000 switch with more capacity. Below are the three 77K  series models :-

7702

• Up to 5 Tbps
• 3 rack-unit

7706

• Up to 21 Tbps
• 9 rack-unit

7710

• 42 terabits per second (Tbps)
• 14–rack-unit form factor

7718

• 83 terabits per second (Tbps) 
• 26 rack-unit

What is the difference between nexus 7000 and 7700?

Below is the comparison between 7000 and 7700 nexus switch.

Note:- 7K and 77K line cards, Fabric Modules and Supervisor module are not interchangeable. We cannot use 7000 SUP-2E in 77K and vice versa.