This a 20 Pack of Avocent SwitchView SC 4 Port KVM Switch. All the details below apply to each switch.

• Switch between up to 4 computers on classified and unclassified network without compromising security.
• NIAP certification: The SwitchView SC switch is the only KVM switch validated to NIAP Common Criteria EAL 4 security requirements. Commercial products used by many U.S. government agencies are required to have an EAL 4 certificate.
• Secure design: Allows a user to safely switch between computers operating at different classification levels - without compromising network security.
• Controlled KVM switching: Separate I/O processors for controlled KVM switching and access to CPUs connected to secure and non-secure networks.
• Custom-designed firmware: Custom-designed, encrypted, internal firmware for extra protection.
• Standard PS/2 protocol: Standard PS/2 protocol is maintained to avoid the possibility of any external device detecting the presence of the SwitchView SC switch.
• Clears buffer: Automatically clears the keyboard buffer immediately after data is transmitted through the switch, so no data is ever left in the switch.
• Computer access: Securely access up to four attached servers using just one keyboard, monitor and mouse.
• Desktop management: Improves work efficiency and saves desktop space by eliminating redundant hardware and cables.

• This is a 20 Pack box of Avocent SwitchView SC 4 Port Secure KVM Switch, each switch include
  - Avocent SwitchView SC 4 Port Secure KVM Switch unit 10040-SC
  - User Manual and Installation Guide
  - Registration and Warranty Card

• Each switch does not include:
  - KVM Cables to connect the computers to the switch
  - Power Supply