QuickSpecs

Input Devices
Factory
Configured
Option
Kit
Option
Kit Part
Number
Support
Notes
HP PS/2 Keyboard Y Y QY774AA
HP PS/2 Mouse Y Y QY775AA
HP USB Keyboard Y Y QY776AA
HP USB Smart Card Keyboard Y Y E6D77AA
HP USB Optical Mouse Y Y QY777AA
HP USB 1000dpi Laser Mouse Y Y QY778AA
HP USB Optical 3-Button 2.9M OEM Mouse N Y ET424AA
HP Wireless Keyboard and Mouse N Y QY449AA
HP SpaceMouse Pro USB 3D Input Device N Y B4A20AA
HP SpacePilot Pro 3D USB Intelligent Controller N Y WH343AA
Product numbers QY774AA-QY778AA represent the new 2012 products with the updated product design.
The previous models will be phased out over time
Other Hardware
Factory
Configured
Option
Kit
Option
Kit Part
Number
Support
Notes
HP Z420 Front Memory Duct Y Y C4J29AA Note 1
HP Z4 Fan and Front Card Guide Kit Y Y A2Z46AA
HP Serial Port Adapter Y Y PA716A
HP eSATA PCI Cable Kit Y Y GM110AA
HP Internal USB Port Kit N Y EM165AA Note 2
HP Optical Bay HDD Mounting Bracket N Y NQ099AA
HP Power Cord Kit N Y DM293A
Configure minitower in desktop orientation Y N
HP Workstation Mouse Pad Y N Japan
only
HP Energy Star Enabled Configuration Y N
Note 1: The HP Z420 Front Memory Duct is available to add to any configuration for improved system
cooling, but is required for memory configurations using 8GB DIMMs and for configurations including the
HP Liquid Cooling Solution thermal kit.
Note 2: The HP Internal USB Port kit has a single USB 2.0 type A connector.
QuickSpecs
HP Z420 Workstation
Supported Components
DA - 14261 North America — Version 36 — March 1, 2014 Page 13