There is no cost for the 90 day trial.
The maximum ingestion rate is 10,000 EPS.
You can find Recon documentation here.
You can check this page which describes the installation and deployment options, considerations, and caveats that you need to know for a successful deployment.
No. You will receive download files for Connectors and ArcSight Recon (Transformation Hub is included). By downloading, you agree to use them only for the purpose and duration of this trial.
Microsoft Windows Native Connector
Linux Audit - File
Syslog NG Daemon
Microsoft Office 365
Apache HTTP/HTTPD Server - Access/Error Files
Microsoft Active Directory - Native
Linux Audit - Syslog
Cisco IOS Syslog
Apache HTTP/HTTPD Server - Syslog
Cisco PIX/ASA Syslog