How much RAM does the Dell Precision 15 (3551) support?

The Precision 15 (3551) supports up to 64GB of memory across 2 slot(s), up to 32GB per slot.

What type of memory does the Precision 15 (3551) use?

It uses DDR4 SODIMM memory modules.

Guaranteed-compatible DDR4 SODIMM upgrades for the Dell Precision 15 (3551), in matched-kit options that fill your slots.

Verified compatible

Good to know

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 DDR4 SODIMM upgrades for the Dell Precision 15 (3551), in matched-kit options that fill your slots.

Verified compatible

Good to know

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.