HP Z220 SFF, Z220 CMT, Z420, Z620, and Z820 Workstations Maintenance and Service Guide

HP Z420 Workstation front panel
1 Optical drive 5 USB 3.0 ports (2, blue)
2
Power button 6 Headphone connector
3
Hard drive activity light 7 Microphone connector
4
USB 2.0 port (black) 8
IEEE–1394a FireWire®
connector
16 Chapter 1 Hardware overview