How much RAM does the HP Pavilion ze4550ST support?

The Pavilion ze4550ST supports up to 1GB of memory across 2 slot(s), up to 0.5GB per slot.

What type of memory does the Pavilion ze4550ST use?

It uses DDR SODIMM memory modules.

Guaranteed-compatible DDR SODIMM upgrades for the HP Pavilion ze4550ST, in matched-kit options that fill your slots.

This option is out of stock.

Specifications reported for this system.

Good to know

Faster modules automatically run at your system's maximum supported speed.
Maximum capacity per slot is inferred from total capacity ÷ number of slots.
Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.

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Guaranteed-compatible DDR SODIMM upgrades for the HP Pavilion ze4550ST, in matched-kit options that fill your slots.

This option is out of stock.

Specifications reported for this system.

Good to know

Faster modules automatically run at your system's maximum supported speed.
Maximum capacity per slot is inferred from total capacity ÷ number of slots.
Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.