How much RAM does the eMachines T3990 support?

The T3990 supports up to 2GB of memory across 2 slot(s), up to 1GB per slot.

What type of memory does the T3990 use?

It uses DDR DIMM memory modules.

Compatible drive types: SATA 2.5" SSD, IDE / PATA 2.5" Drive.

Guaranteed-compatible SSD and hard-drive upgrades for the eMachines T3990, matched to its drive bays and slots.

Guaranteed-compatible SSD and hard-drive upgrades for the eMachines T3990 — 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.

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Guaranteed-compatible SSD and hard-drive upgrades for the eMachines T3990, matched to its drive bays and slots.

Guaranteed-compatible SSD and hard-drive upgrades for the eMachines T3990 — 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.