How much RAM does the Acer Aspire ONE 721-105Cki support?

The Aspire ONE 721-105Cki supports up to 4GB of memory across 2 slot(s), up to 2GB per slot.

What type of memory does the Aspire ONE 721-105Cki use?

It uses DDR3 SODIMM memory modules.

Your system

Acer Aspire ONE 721-105CkiMemory Upgrades

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System specifications for Acer Aspire ONE 721-105Cki

Specifications reported for the Acer Aspire ONE 721-105Cki.

Memory type: DDR3
Form factor: SODIMM
Memory slots: 2
Maximum memory: 4GB
Max per slot: 2GB
Rated speed: 1333 MT/s
ECC: none

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.

Software

Free tools from Seifelden — no purchase needed.

Seifelden Upgrade AssistantFree

Checks the drivers on your Acer Aspire ONE 721-105Cki, installs the safe updates Windows offers, guides the rest to the official download — and confirms exactly which of the upgrades above your machine has room for.

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Your system

Acer Aspire ONE 721-105CkiMemory Upgrades

Change system Auto-detect

4 guaranteed-fit options

This option is out of stock.

System specifications for Acer Aspire ONE 721-105Cki

Specifications reported for the Acer Aspire ONE 721-105Cki.

Memory type: DDR3
Form factor: SODIMM
Memory slots: 2
Maximum memory: 4GB
Max per slot: 2GB
Rated speed: 1333 MT/s
ECC: none

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.

Software

Free tools from Seifelden — no purchase needed.

Seifelden Upgrade AssistantFree

Acer Aspire ONE 721-105CkiMemory Upgrades

Choose your upgrade

System specifications for Acer Aspire ONE 721-105Cki

Software

Acer Aspire ONE 721-105CkiMemory Upgrades

Choose your upgrade

System specifications for Acer Aspire ONE 721-105Cki

Software