How much RAM does the HP Pavilion Laptop dv4420us support?

The Pavilion Laptop dv4420us supports up to 2GB of memory across 2 slot(s), up to 1GB per slot.

What type of memory does the Pavilion Laptop dv4420us use?

It uses DDR2 SODIMM memory modules.

Guaranteed-compatible DDR2 SODIMM upgrades for the HP Pavilion Laptop dv4420us, in matched-kit options that fill your slots.

This option is out of stock.

Specifications reported for this system.

Good to know

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Guaranteed-compatible DDR2 SODIMM upgrades for the HP Pavilion Laptop dv4420us, in matched-kit options that fill your slots.

This option is out of stock.

Specifications reported for this system.

Good to know