How much RAM does the Acer Aspire 1661WLM_400 support?

The Aspire 1661WLM_400 supports up to 1GB of memory across 2 slot(s), up to 0.5GB per slot.

What type of memory does the Aspire 1661WLM_400 use?

It uses DDR SODIMM memory modules.

Compatible drive types: IDE / PATA 2.5" Drive.

Guaranteed-compatible DDR SODIMM upgrades for the Acer Aspire 1661WLM_400, 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 1661WLM_400 — 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.

Specifications reported for this system.

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.
Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.

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Guaranteed-compatible DDR SODIMM upgrades for the Acer Aspire 1661WLM_400, 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 1661WLM_400 — 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.

Specifications reported for this system.

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.
Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.