How much RAM does the HP Pavilion Laptop dv9870ef support?

The Pavilion Laptop dv9870ef supports up to 4GB of memory across 2 slot(s), up to 2GB per slot.

What type of memory does the Pavilion Laptop dv9870ef use?

It uses DDR2 SODIMM memory modules.

Guaranteed-compatible DDR2 SODIMM upgrades for the HP Pavilion Laptop dv9870ef, 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 DDR2 SODIMM upgrades for the HP Pavilion Laptop dv9870ef, 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.