QuickSpecs

Environmental
Requirements
Temperature Operating: 5° to 35° C (40° to 95° F)
Non-operating: -40° to 60° C (-40° to 140° F)
Humidity Operating: 8% to 85% RH, non-condensing
Non-operating: 8% to 90% RH, non-condensing
Maximum Altitude Operating: 3,000 m (10,000 feet)
Non-operating: 9,100 m (30,000 feet)
Dynamic (new) Shock
Operating: ½-sine: 40g, 2-3ms (~62 cm/sec)
Non-operating:
½-sine: 160 cm/s, 2-3ms (~105g)
square: 422 cm/s, 20g
NOTE: Values represent individual shock events and do not indicate
repetitive shock events.
Vibration
Operating random: 0.5g (rms), 5-300 Hz, up to 0.0025g²/Hz
Non-operating random: 2.0g (rms), 5-500 Hz, up to 0.0150 g²/Hz
NOTE: Values do not indicate continuous vibration.
Cooling Above 1524 m (5,000 ft) altitude, maximum operating temperature is de-
rated by 1° C (1.8° F) per 305 m (1,000 ft) elevation increase
Physical Security and Serviceability
Access Panel Tool-less
Includes system board and memory information.
Optical Drive Tool-less
Hard Drives Tool-less
Expansion Cards Tool-less
Processor Socket Tool-less
Green User Touch Points Yes, on primary serviceable components.
Color-coordinated Cables
and Connectors
Yes
Memory Tool-less
System Board Screw-In
Dual Color Power and HD
LED on Front of Computer
Yes
Configuration Record SW Yes
Over-Temp Warning on
Screen
Yes, at POST screen on reboot
Restore CD/DVD Set Restores the computer to its original factory shipping image; can be obtained via HP Support.
Dual Function Front
Power Switch
Yes, causes a fail-safe power off when held for 4 seconds
Padlock Support Yes (optional): Locks side cover and secures chassis from theft
5.56 mm (0.2188 in) diameter padlock loop at rear of system
QuickSpecs
HP Z420 Workstation
System Technical Specifications
DA - 14261 North America — Version 36 — March 1, 2014 Page 22