How much RAM does the HP Presario 900US support?

The Presario 900US supports up to 1GB of memory across 2 slot(s), up to 0.5GB per slot.

What type of memory does the Presario 900US use?

It uses DDR SODIMM memory modules.

Guaranteed-compatible DDR SODIMM upgrades for the HP Presario 900US, 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 Presario 900US, 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.