HP Z Series User Manual

5. Disconnect the I/O assembly FIOUI-Premium (OClink) cable (5) from the I/O assembly.
6. Release the I/O assembly by lifting up on the drive release bar (1).
7. Remove the I/O assembly (2).
To install the I/O assembly, reverse the removal procedure.
Battery
To remove the battery, use these procedures. The battery that comes with the computer provides power
to the real-time clock. When replacing the battery, use a battery equivalent to the battery originally
installed in the computer. The computer comes with a 3 V lithium coin cell battery.
WARNING! The computer contains an internal lithium manganese dioxide battery. There is a risk of
fire and burns if the battery is not handled properly. To reduce the risk of personal injury:
Do not attempt to recharge the battery.
Do not expose to temperatures higher than 60°C (149°F).
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Chapter 4 Removal and replacement procedures

HP Z Series Specifications

General

Series	Z Series
Category	Desktop
Processor	Intel Xeon or Intel Core (depending on the specific model)
Operating System	Windows 10 Pro or Windows 11 Pro
Storage	SSD or HDD options, up to multiple TB
Graphics	NVIDIA Quadro or AMD Radeon Pro
Expansion Slots	Multiple PCIe slots
Ports	USB, DisplayPort, HDMI
Form Factor	Tower
Memory	Up to 256 GB DDR4 ECC or non-ECC SDRAM (depending on the specific model)
Power Supply	Various wattage options, typically 500W to 1000W (depending on the specific model)