This document provides a summary of specifications and features for various Palo Alto Networks platform models - PA-4060, PA-4050, PA-4020, PA-2050, PA-2020, and PA-500. It includes details on their throughput and capacity for firewall, threat prevention and IPSec VPN, as well as hardware specifications and key features supported across all platforms such as application identification, policy-based controls, SSL/IPSec VPN, file/data filtering, and high availability.