Service Type: 4 Year 24x7x24 Customer Replaceable Unit (CSR) - This indicates a warranty and support contract for 4 years with 24/7 availability and 24-hour response time, with the customer being responsible for replacing parts.
Specific Product/Series: DE6400H
Form Factor/Configuration: 2U24 - Likely refers to a 2U rack-mountable server chassis with 24 drive bays.