How much RAM does the Acer AO721-142rr support?

The AO721-142rr supports up to 4GB of memory across 2 slot(s), up to 2GB per slot.

What storage drives fit the Acer AO721-142rr?

Compatible drive types: SATA 2.5" Hard Drive, SATA 2.5" SSD.

Your system

Acer AO721-142rrStorage Upgrades

Change system Auto-detect

8 guaranteed-fit options

Internal drives

Matched to this machine's drive bays and slots.

SATA 2.5" SSD

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.

SATA 2.5" Hard Drive

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.

System specifications for Acer AO721-142rr

Specifications reported for the Acer AO721-142rr.

Memory type: DDR3
Memory slots: 2
Maximum memory: 4GB
Max per slot: 2GB
Rated speed: 1066 MT/s
Processor: K145

Software

Free tools from Seifelden — no purchase needed.

Seifelden Upgrade AssistantFree

Checks the drivers on your Acer AO721-142rr, 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 AO721-142rrStorage Upgrades

Change system Auto-detect

8 guaranteed-fit options

Internal drives

Matched to this machine's drive bays and slots.

SATA 2.5" SSD

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.

SATA 2.5" Hard Drive

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.

System specifications for Acer AO721-142rr

Specifications reported for the Acer AO721-142rr.

Memory type: DDR3
Memory slots: 2
Maximum memory: 4GB
Max per slot: 2GB
Rated speed: 1066 MT/s
Processor: K145

Software

Free tools from Seifelden — no purchase needed.

Seifelden Upgrade AssistantFree

Acer AO721-142rrStorage Upgrades

Choose your upgrade

Internal drives

SATA 2.5" SSD

SATA 2.5" Hard Drive

System specifications for Acer AO721-142rr

Software

Acer AO721-142rrStorage Upgrades

Choose your upgrade

Internal drives

SATA 2.5" SSD

SATA 2.5" Hard Drive

System specifications for Acer AO721-142rr

Software