How much RAM does the Acer Aspire E5-721-621B support?

The Aspire E5-721-621B supports up to 16GB of memory across 2 slot(s), up to 8GB per slot.

What type of memory does the Aspire E5-721-621B use?

It uses DDR3L SODIMM memory modules.

Guaranteed-compatible DDR3L SODIMM upgrades for the Acer Aspire E5-721-621B, in matched-kit options that fill your slots.

This option is out of stock.

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 DDR3L SODIMM upgrades for the Acer Aspire E5-721-621B, in matched-kit options that fill your slots.

This option is out of stock.

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.