Input Devices
Factory
Configured
Option
Kit
Option
Kit Part
Number
Support
Notes
HP PS/2 Standard Keyboard
Y Y
DT527A
HP USB Standard Keyboard
Y Y
DT528A
HP PS/2 Optical Scroll Mouse
Y Y
EY703AA
HP USB 2-Button Optical Scroll Mouse
Y Y
DC172B
HP USB Laser Mouse
Y Y
GW405AA
HP USB Optical 3-Button Mouse
Y Y
DY651A
HP USB Smart Card Keyboard
N
Y
ED707AA
HP 2.4GHz Wireless Keyboard & Mouse
N
Y
NB896AA
HP USB Optical 3-Button 2.9M OEM Mouse
N
Y
ET424AA
HP SpaceExplorer 3D USB Controller
N
Y
RY429AA
HP SpacePilot 3D USB Intelligent Controller
N
Y
WH343AA
HP PS/2 Keyboard
Y Y
QY774AA
HP PS/2 Mouse
Y Y
QY775AA
HP USB Keyboard
Y Y
QY776AA
HP USB Optical Mouse
Y Y
QY777AA
HP USB 1000dpi Laser Mouse
Y Y
QY778AA
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 4 x 8GB and 8 x 8GB memory configurations 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 33 — December 12, 2013
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