Release date, Date of Obsolescence and Replacement of these products (If applicable)

I was assigned a task to find the Release date, Date of Obsolescence and Replacement of these products. Can some help me .

HP DL380 Gen 9 (-48V supply) 

Network Monitoring Server - HP Proliant G7

KVM Switch                                - 336045B21

Laptop-Elitebook 8560P

Printer                                          -Color Laserjet CP5525

Workstation                               -Z400

Thick Client for EOW 1           -Z420

Thanks