HP Z440

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Technical white paper | HP Z440 Workstation
Memory congurations and
optimization
The purpose of this section is to provide an overview of the memory
congurations for the HP Z440 Workstation and to provide recommendations
to optimize performance.
Supported memory modules
Types of memory supported on an HP Z440 are:
• 4 GB, 8 GB and 16 GB PC4-2133R 2133 MHz DDR4 Registered DIMMs
• Single and dual rank 4 GB and 8 GB based DIMMs are supported
Types of memory NOT supported on an HP Z440 are:
• Unbuered DIMMs
• Non-ECC DIMMs
• DDR, DDR2, or DDR3 DIMMs
• Load Reduced (LR) DIMMs
See Memory Technology White Paper for more memory module technical information.
Platform capabilities
Maximum capacity: 128 GB
HP Z440 has a total of 8 memory sockets
• 4 channels with 2 sockets per channel
Speed
• 2133 MHz, 1866 MHz and 1600 MHz memory speeds are supported in this platform.
• Memory will operate at the speed of the slowest rated installed processor or DIMM.
Dynamic power saving is enabled
Memory features
ECC is supported on all of our supported DIMMs
• Single-bit errors are automatically corrected.
• Multi-bit errors are detected and will cause the system to immediately reboot and halt with an F1 prompt error
message.
• Non-ECC memory does not detect or correct single-bit or multi-bit errors which can cause instability, or corruption of
data, in the platform. See Memory Technology White Paper for more information.
Command and Address parity is supported
• Command and Address errors are detected and will cause the system to immediately reboot and halt with an F1 prompt
error message.