How much RAM does the Acer Aspire ONE 721-12B2r support?

The Aspire ONE 721-12B2r supports up to 4GB of memory across 2 slot(s), up to 2GB per slot.

What type of memory does the Aspire ONE 721-12B2r 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 Acer Aspire ONE 721-12B2r, in matched-kit options that fill your slots.

This option is out of stock.

Guaranteed-compatible SSD and hard-drive upgrades for the Acer Aspire ONE 721-12B2r — 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.

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.

Specifications reported for this system.

Good to know

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Guaranteed-compatible DDR3 SODIMM upgrades for the Acer Aspire ONE 721-12B2r, in matched-kit options that fill your slots.

This option is out of stock.

Guaranteed-compatible SSD and hard-drive upgrades for the Acer Aspire ONE 721-12B2r — 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.

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.

Specifications reported for this system.

Good to know