How much RAM does the Toshiba Satellite U400-21P support?

The Satellite U400-21P supports up to 4GB of memory across 2 slot(s), up to 2GB per slot.

What type of memory does the Satellite U400-21P use?

It uses DDR2 SODIMM memory modules.

Guaranteed-compatible DDR2 SODIMM upgrades for the Toshiba Satellite U400-21P, 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 Toshiba Satellite U400-21P, 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.