How much RAM does the HP Pavilion DV4 Series DV4-1280US support?

The Pavilion DV4 Series DV4-1280US supports up to 8GB of memory across 2 slot(s), up to 4GB per slot.

What type of memory does the Pavilion DV4 Series DV4-1280US use?

It uses DDR2 SODIMM memory modules.

Guaranteed-compatible DDR2 SODIMM upgrades for the HP Pavilion DV4 Series DV4-1280US, 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 DV4 Series DV4-1280US, 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.