How much RAM does the HP Presario CQ57-421SM support?

The Presario CQ57-421SM supports up to 4GB of memory across 2 slot(s), up to 2GB per slot.

What type of memory does the Presario CQ57-421SM use?

It uses DDR3 SODIMM memory modules.

Compatible drive types: SATA 2.5" Hard Drive, SATA 2.5" SSD.

Guaranteed-compatible DDR3 SODIMM upgrades for the HP Presario CQ57-421SM, in matched-kit options that fill your slots.

This option is out of stock.

Guaranteed-compatible SSD and hard-drive upgrades for the HP Presario CQ57-421SM — matched to its drive bays and slots.

This option is out of stock.

The drive bay size is inferred from the system's reported storage interface.
Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.
Storage specifications come from another configuration of the same model family (same chassis).

This option is out of stock.

The drive bay size is inferred from the system's reported storage interface.
Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.
Storage specifications come from another configuration of the same model family (same chassis).

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 DDR3 SODIMM upgrades for the HP Presario CQ57-421SM, in matched-kit options that fill your slots.

This option is out of stock.

Guaranteed-compatible SSD and hard-drive upgrades for the HP Presario CQ57-421SM — matched to its drive bays and slots.

This option is out of stock.

The drive bay size is inferred from the system's reported storage interface.
Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.
Storage specifications come from another configuration of the same model family (same chassis).

This option is out of stock.

The drive bay size is inferred from the system's reported storage interface.
Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.
Storage specifications come from another configuration of the same model family (same chassis).

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.