How much RAM does the HP Pavilion d4550.se-a support?

The Pavilion d4550.se-a supports up to 4GB of memory across 4 slot(s), up to 1GB per slot.

What type of memory does the Pavilion d4550.se-a use?

It uses DDR2 DIMM memory modules.

Guaranteed-compatible DDR2 DIMM upgrades for the HP Pavilion d4550.se-a, 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 DIMM upgrades for the HP Pavilion d4550.se-a, 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.