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Learn more about HP Workstation Z1 memory

What HP Workstation Z1 DIMM type is supported?

UDIMM

Why are there various DIMM types supported?

Factory configured Z1 systems often have smaller, less expensive modules. As more memory is required different density and technologies are needed. DIMM type mixing is never recommended.

What is an unbuffered memory module?

Unbuffered, non-registered DIMM memory modules have no buffer/register component between the DRAM modules and the motherboard memory controller.

What HP Workstation Z1 memory speed is supported?

DDR3-1600 and DDR3-1866

Why may there be various speeds of HP Workstation Z1 memory?

Some servers often have various configurations and versions. If you are unsure what you need, please refer to your Z1 manual or data sheet. If you need tech support, please contact us.

General DIMM population guideline for HP Workstation Z1 upgrade to consider.

Some may or may not apply.

• If mixing memory speeds, all 4 DIMMs run at the lowest DDR3-1600 bus frequency.
• Install DIMMs starting furthest from the processor.
• Do not install DIMMs if the corresponding processor is not installed.
• If only one processor is installed in a two CPU system, only half of the DIMM slots are available.
• To maximize performance, balance the total memory capacity between all installed processors.
• It is not required, but it is recommended to load the channels similarly if possible.

Why are there so many HP Workstation Z1 upgrade options?

IT buyers come from all walks of life. Some purchase by OEM part number. Some purchase by original module part number. Our goal is to give you confidence when purchasing HP Workstation Z1 upgrades. All modules listed are qualified to work in your HP Workstation Z1.